Felt recoil will vary from shooter to shooter and rifle to rifle, but free recoil energy is still a useful way to compare cartridges. Looking at it from a technical perspective, the .280 Ackley Improved is a much better design in that it runs on less powder, yet offers a performance level comparable to the 7 Mag. Quick View. Additionally, since it has such an efficient design, the .280 AI doesnt use as much powder as the 7mm Remington Magnum to achieve nearly the same level of performances. Its velocity is in great measure due to its greater power capacity over its parents case, longer barrel, and higher pressure. Rounds like the 25-06 Rem., 7 mm-08, and 338-06 all started out as non-standard cartridges before they were legitimized and chambered by the industrys major players. However, its doubtful he anticipated that more than a half-century later, his .280 Ackley Improved cartridge would blossom into a favorite of savvy open-country hunters across the West. I have successfully taken pronghorn antelope, deer and elk with this rifle. A .280 Remington cartridge fired from a rifle chambered in .280 Ackley Improved will result in a case formed for the latter, which may be used for reloading. shooting Nosler 150 gr. This was not the way it was supposed to happen. Wind deflection at 400 yards would be about 8.5 inches. That being said, the .280 Remington, .280 AI, and 7mm Rem Mag are generally a little better suited for hunting bigger game. While the 300 Blackout has enjoyed broad appeal across a wide range of hunters and shooters, the .338 Federal is designed for one specific application: mountain hunting. Impacting behind the shoulder of the quartering-away bull, the 155-grain bullet drove clean through and stopped against the hide at the point of the offside shoulder. The .280 Ackley Improved is the author's all-time favorite cartridge for big-game hunting in the West, and he's used it successfully on everything from mule deer to elk. Rifle calibers are kind of like craft beer (hear me out). For the heavier bullets from 160 to 180 grains, H4831SC, Reloder 23, H1000, and IMR 7828 SSC are excellent. Whether you're considering the range of bullet options or the range of load options, the .300 Win. Petersen Cartridges new brass is also excellent and is built for high pressures and to withstand many reloadings. Muzzle velocity was 3,060 fps, right there with advertised 7mm Rem. Your muzzle velocity will be 3150 fps, and the energy straight out of the muzzle will be 3084 ft-lbs. Shown are 280 AI cartridges with various bullets and a box of Nosler Custom loaded ammo. Here's why: 280 AI shoots 50 fps to 100 fps faster than the 280 Remington with the same bullets in the same standard-length actions. Id wager that the .270 Winchester is a little more commonly used than the 7mm Rem Mag. Mag. but this depends on the maker. In 7mm you can specify 1-8 or 1-9.5 twist rates. Mag., and cooks along about 200 fps faster than the .308 Win. So where do we stand with each cartridge? I hit the Cape buffalo squarely in the chest with a .375 Holland & Holland, a cartridge the size of a banana. Since it uses a larger diameter case derived from the .375 H&H, the 7mm Magnum has a very large powder capacity and is capable of shooting the same weight bullet faster than the .30-06. This undoubtedly has an impact on bullet velocities. I used the Hornady Ballistic calculator and ShootersCalculator.com to compare trajectory, wind drift, and recoil for the cartridges. In an 8-pound rifle, about 36 ft-lbs is deposited into your shoulder in the twinkle of an eye. The .270 Winchester also uses .277 bullets while the .280 Remington, .280 AI, and 7mm Remington Magnum all use .284 bullets. As the mathematicians among us know, when you increase diameter, frontal surface area increases exponentially. Typically, a rifle magazine that can hold 4-5 .270 or .280 cartridges will only be able to hold 3 7mm Remington Magnum cartridges. The 7mm Rem Mag load above still has about3% more free recoil energy than the faster .280 AI load. Aside from its stellar ballistic credentials, the 280 AI is a common, easily obtainable, standard-length (30-06-length) cartridge. Let us know in the comments below! AccuBond Long Range 2,930 fps, Hornady Precision Hunter 162-gr. It looks like a .30-caliber projectile stuffed into a .223 Rem. Though only a few cartridges (like the 270 WSM, .270 Weatherby, and 6.8 Remington SPC) use .277 bullets, the fact that the .270 itself is so popular means theres also a decent amount of quality bullets to choose from for that cartridge as well. The US Army started looking for a new service rifle and cartridge after being on the receiving end of a deadly demonstration of the capabilities of the revolutionary new Mauser rifle and7mm Mausercartridge in the hands of Spanish troops in Cuba during 1898. 7mm Rem. The data used to compare the trajectory and wind drift of the cartridges was obtained from Hornady (here, here, here and here) and Nosler (here). The ft-lbs the rounds will each strike with are about the same either way. I'm going to work with a Kimber Subalpine in 280 AI this spring and will pay careful attention to any feeding issues with it, but I'm truly not concerned. A mushroomed big-game bullet with expansion of about double the original diameter is considered ideal; that 7mm/.284-diameter bullet measures 0.568 inch across, with a surface area of over 1.01 square inches. The 280 AI is quietly but steadily gaining converts. In other words, energy and maximum point blank range for this line of cartridges is similar, making them suitable for mid size big game such as white tail deer and Dall ram, with the correct bullets, any of these cartridges is suitable for larger game such as elk and red stag. Given the rising popularity of long, sleek, aerodynamically efficient bullets, Id go with the 1-8.Rebarreling is a great option if you already have a shot-out barrel on any standard-length action. Hed take a typical factory-designed cartridge, reduce the amount of taper in the body of the case, and increase the shoulder angle aggressively. Savage 110 High Country 280 AI Bolt-Action Rifle with Camo Stock. Since they can hold more powder, Ackley Improved cartridges are capable of higher velocities than their parent cartridge when loaded with the same weight bullet. Lets take a look at how it shoots. You need to carefully analyze your potential needs and choose the one(270 vs 280 Remington vs 280 Ackley Improved vs 7mm Rem Mag) that you think will fit them best. By 2007, the .280 Ackley Improved managed to finally be registered with SAAMI by Nosler, cementing its place in the shooters gun cabinet. Bullet Weight: ALL. Were not talking anything too crazy. Ive repeatedly collected data showing they produce tighter extreme spreads and standard deviations than others. The result was a new case with slightly more (usually around 4-5%) powder capacity. Ackley. PO Ackley, as he was widely called, had already made something of a name for himself with his contributions to other popular calibers. The differences between the .280 Remington and the .280 Ackley improved are minimal. The three .284/7mm 140gr Nosler loads all use the exact same AccuBond bullet, just fired at different velocities: the 7mm Rem Mag is 50fps faster than the .280 AI, which is in turn about 150fps faster than the .280 Rem. No other movie makes them fantasize quite as much about the Old West and mountain men, and wonder if they could have cut it in the early to mid-1800s. Mag. The rifle is so accurate and the round so effective that I have rarely needed more than one shot per animal. The cartridge is more than capable of taking large game like elk and moose, but it can do so with less powder and less recoil than magnum cartridges like the 7mm Rem. The 280 AI gives you heavier bullet options than the .270 Win. However, there are some important differences that set them apart from each other. Nosler brass has always been my go-to, because its invariably near-perfect and comes weight-sorted and prepped for accuracy, meaning trimmed to length, chamfered, and deburred, and with flash holes uniformed. 130 gr. Mag. If you have the time, it is always best to let the animal turn and offer a broadside shot. With 200-grain bullets pushed at 2,900 fps or so, the big .30s clearly impact with more visible resulton both ends. Oddly, I think the modest velocity is one reason that particular bullet performs so well in the .280 AIits not going quite fast enough to grenade on impact up close. My first 280 AI was a 5-pound Rifles, Inc. Strata Stainless built by Lex Webernick. Use A Thermacell To Stop Bug Bites While Hunting & Camping, 6.5 Grendel vs 300 Blackout Review & Comparison, 11 Reasons The Leupold VX-6HD Is An Outstanding Hunting Scope, 450 Bushmaster vs 45-70 Review & Comparison, 28 Nosler vs 300 Win Mag Review & Comparison, Best 22 Hornet Ammo For Hunting Coyotes, Bobcats, & Other Varmints, 15 Best African Hunting Books For When Youre Dreaming Of Being On Safari[2023], Best 350 Legend Ammo For Hunting Deer, Hogs, Bear, & Other Game, Best 6.8 Western Rifles for Hunting Ultimate Guide [2023], Best 300 PRC Ammo For Hunting Elk, Deer, Bear, & Other Game, Best 6.5 PRC Ammo For Hunting Deer, Elk, Bear, & Other Game, Best 350 Legend Rifles for Hunting Ultimate Guide [2023], Best 6.8 Western Ammo For Hunting Elk, Deer, Bear, & Other Big Game. This is why the management at Nosler decided to standardize the .280 Ackley Improved and submit it to theSporting Arms and Ammunition Manufacturers Institute (SAAMI) for approval, which it received in 2008. Additionally, its possible to safely (and often relatively accurately) fire .280 Remington ammo in a .280 AI rifle. Federal Premium TROPHY COPPER .280 Remington Improved 140 grain Trophy Copper Centerfire Rifle Ammunition. Mag. Once again, thats not a gigantic difference, but its a slight advantage in favor of the .284/7mm cartridges. Why cant I find ammo for my By 2008, Nosler standardized it and SAAMI accepted it. 1 chambered for the cartridge and a year later announced the .280 AI in the superb Hawkeye African line of rifles. MeatEater version in their Trophy Copper line. Ackley after he added a 40-degree shoulder to Fred Huntington's .280 RCBS Improved. The .280 Ackley Improved SEE IT Back in the 1950s, a gunsmith named P.O. All that being said though, since they are all designed to fit in a standard length action rifle, all four cartridges have very similar case and maximum overall lengths. Others insist it does. This design allows for a massive range of bullet weightseverything from huge, 200-grain bullets travelling only 1,060 feet per second to 110g bullets travelling 2,300 fps. The .280 AI was developed by modifying the case from the .280 Remington. That being said with proper bullets, and I tend towards the 150 grain in .270 though Ive had good results with the 130s. Others opted to neck down the .30-06 case to use smaller diameter bullets (like the .25-06 Remington), which is what the folks at Winchester did when they modified the case to use .277 instead of .308 bullets. Lead Free. There may be others. Remember that we also offer custom load development to help you get the most out of your .280 Ackley Improved - call 1-800-303-1304 for more information. Ive also had superb results with Bergers 168-grain VLD Hunting. It is important to note that the SAAMI-spec .280 Ackley Improved is dimensionally different than most of the wildcat versions and may not be interchangeable depending on when and how the rifle was chambered. Still, in the right environment, the .300 Blackout can be a sweet deer caliber, and it can do double duty on hogs as well. A 150 grain bullet shot from a .280 AI generates a muzzle velocity similar to the .270 Winchester firing a 130 grain bullet. Mag. The cartridge still didnt gain the popularity it deserved. Finally, the .280 Ackley Improved is rocketing to western-hunting stardom. The .280 Remington is somewhat less common, but still pretty easy to find with Barnes, Federal, Hornady, Nosler, Remington, and Winchester all producing good quality .280 Remington hunting factory ammo. In this case, it takes about 6% more powder to produce about 1.5% more velocity and this results in about6-7% more recoil. Energy up front was over 3,100 ft-lbs. Regardless of the cartridge you choose, youll have a gigantic bullet selection consisting of virtually every major style of bullet to choose from like the Barnes TTSX, Berger VLD, the Hornady ELD-X, GMX, InterBond, InterLock, and SST, the Nosler AccuBond, AccuBond Long Range, Ballistic Tip, E-Tip, and Partition, the Remington Core Lokt, the Swift Scirocco and A-Frame, and the Winchester Power Point (just to name a few). During the spring conservation order, you can hunt with outfitters from Arkansas to Saskatchewan. MidwayUSA offers the Nosler M21, but youll find that there truly isnt as large of an offering available in rifles chambered in .280 Ackley Improved as youll find in other common calibers. To set the stage for this cartridge description, you should know that it is but one of more than a dozen commercially loaded 7mm cartridges now on the market that fire .284-inch diameter (28-caliber) bullets. The author's custom-made .280 Ackley Improved was built on the CZ-550 action, fitted with a Montana Rifleman barrel and decked out with a nice, heavy piece of English walnut. Unfortunately, the recent black bear attack in northern New Jersey and the first fatal bear attack in about 150 years is an example of what happens when people panic and run scared. Ive watched my hunting partner Thomas Provstgaard shoot the 139-grain LRX clean through stout-bodied African plains game, including a steeply angled shot on a massive 55-inch kudu bull. and a 175g round about 2,700 fps (just 100 fps shy of the 7mm Weatherby Mag.). So why choose the .280 AI over the .280 Rem. Shaw Custom Barrelssells new barrels in five different contours chambered, crowned, and threaded for your specified action for as little as $160. The .280 Ackley Improved offers a modest ballistic improvement over the .280 Remington in terms of trajectory, wind resistance, and retained energy. .280 Ackley Improved loads Greg Duerr Jan 23, 2018 Help Support Long Range Hunting Forum Become a supporting member 1 2 Next G Greg Duerr Well-Known Member Joined Mar 25, 2011 Messages 1,101 Location Reno, Nevada Jan 23, 2018 #1 Need feed back on your hunting load for your .280 AI what bullet and powder that gives you the best out of your rifle And it is a high performer. The first 3-shots I fired through it (150-grain Barnes X pushed to 3,040 fps by 58 grains of Reloader 19 if memory serves, but dont trust this data and always work up your own loads carefully) nestled a 5/16th-inch circle. As you can see, the .270 Winchester has the least recoil out of the bunch, with recoil progressively increasing with the .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum. And might also be interested in our 6.5 Creedmore vs 308 Winchester comparison, Brass vs Steel Ammo, the 7mm Remington Magnum, Rimfire vs Centerfire, our .5.56 vs .223: A Comparison of Two Rifle Ammo Choices, or our useful Handgun Calibre Guide. Notify Me When Available. Remington made a massive splash in 1962 when they rolled out their new Remington Model 700 rifle along with the brand new 7mm Remington Magnum cartridge. Similarly, by shooting a 280 AI instead of 7mm Rem. Reader K. Akins recently wrote to ask which cartridge I thought would benefit the most from conversion to Ackley Improved:the 260 Remington, 270 Winchester, or 7mm-08 Remington. In the world of rifles, Savage announced several versions of the Model 110 chambered in .280 AI. Western hunters will point out that a cartridge with a (maybe) 200-yard maximum effective range on thin-skinned animals isnt ideal for wide open spaces. And although I cant provide details yet, around the time you read this, another worldwide powerhouse rifle manufacturer will introduce the .280 AI across the spectrum of its hunting rifles. As you can see, that particular 7mm Mag load has a little morefree recoil energy than the .280 AI when used in the same weight rifle, but is shooting the same bullet only 50 feet per second faster. Once again, the 7mm Remington Magnum has the least wind drift. More and more production rifles are being chambered for 280 AI every year. Youre bound to see a few stacks of .308, .270, and .243, but finding .280 Ackley Improved may be virtually impossible in your area. case, and thats because it is. However, that comes at the expense of more recoil and the larger diameter case of the cartridge results in a reduced magazine capacity in most rifles. Drive Nosler's 150-grain AccuBond Long Range bullet 3,050 fps in a 10 mph wind, zero it for maximum-point-blank-range (10-inch target,) and with a dead-center aim your bullets should stay within that target out to 376 yards. Mag.? Any good gunsmith should be able to handle this. On the other hand, the .280 Remington is normally offered with 139 grain, 140 grain, or 150 grain bullets, but its possible to find a few loads with 156 grain, 160 grain, and 165 grain bullets as well. Interestingly enough, Nosler also publishes a .280 Ackley Improved load with a 140gr bullet at 3,222fps that slightly exceeds the velocity of that particular 7mm Rem Mag load above. Rounds Per Box: 20 $ 95.99 Add to wishlist Add to cart 2 in stock There is very little difference between them ballistically inside of 200 yards. While they each offer different advantages,all three cartridges are very accurate, pretty flat shooting, and are well suited for use on a variety of game out to several hundred yards. Up close, it wallops just like the .30-06, having similar bullet weight at similar velocities. This very likely hampered adoption of the cartridge to a certain degree. Using a shortened .375 H&H Magnum case necked down to use a .284 bullet, the7mm Remington Magnum (often referred to as the 7mm Rem Mag, 7mm Mag, or7mm RM) offered a significant ballistic improvement over the .30-06 Springfield, the .270 Winchester, the .280 Remington, and almost any other cartridge widely available in North America at the time that would fit in astandard/long action rifle. The 40-degree shoulder (10 degrees sharper than the .280 Rem.) If you are a handloader, both the .280 Remington and (especially) the .280 AI have outstanding potential. Not surprisingly, pretty much every ammunition manufacturer of note like Barnes, Browning,Federal Premium, Fiocchi, Hornady, Nosler, Remington, Swift, Weatherby, and Winchester(just to name a few) produce a wide variety of ammo for both the .270 Win and the 7mm Rem Mag. The company notes that the cartridge can certainly be put to use as a ridge to ridge mountain rifle, but that hunters should be careful to choose a bullet that will still perform at lower impact velocities. Instead of using the much more commonly used .284/7mm bullets like the 7mm Mauser (and many newer cartridges like the 7mm-08), for reasons that arent clear today, the .270 Winchester used .277 bullets. Heres how to avoid the poseurs and choose the right one. Like the (copycat?) The introduction of the massively successful 7mm Remington Magnum in 1962 also derailed any prospects of the .280 Remington catching on to any large degree with the general hunting public. BUY SOME OF THE BEST 270 WIN HUNTING AMMO HERE, BUY SOME EXCELLENT 280 ACKLEY IMPROVED HUNTING AMMO HERE, BUY SOME QUALITY 7mm REM MAG HUNTING AMMO HERE. The rifle situation is very similar to the ammunition situation with these cartridges: .270 Winchester and 7mm Remington Magnum, in that order, are the most popular, followed by the .280 Remington and .280 Ackley Improved. with a similarly-weighted bullet. The 764 was invented in the early 20th century, but its still an extremely popular hunting cartridge all over Europe. So, Remington renamed the cartridge AGAIN after a few years and went back to the .280 Remington, which is what its called today. Choose medium-slow burn rate powders, such as H4831SC and Reloder 19 for light- to midweight projectiles. Its enough to significantly increase energy transfer, without impeding penetrating ability. Before there were scopes or red dots there were iron sights. Bottles & 12-oz. Conveniently, the .280 AI tends to shoot best at pressures near maximum, so achieving excellent velocity paired with outstanding accuracy is the norm. Last, but not least, Ive come to love Federals 155-grain Terminal Ascent bullet. 7mm Rem. Mag. Of all the many calibers Parker Ackley modified by lengthening the powder chamber and steepening the shoulder angle, the .280 Ackley is the only one, so far, that has been adopted by SAAMI. It too met a quick fate and, like my doe, it had minimal meat damage. Using a case length of 2.525 inches, the .280 Ackley Improved fits nice in a standard long-action receiver, and in spite of the steep shoulder, I have found the cartridge will feed well in most rifles. Still, though, were talking about plenty of force when that bullet does either way. Mag. Mag. Remember, ejecta (exploding gases and particulates exiting the muzzle) contributes greatly to recoil. Great article and comparison of similar cartridges. While on the subject of velocity, allow me to point out that the .280 AI really deserves a 24-inch barrel. Nyati was supposed to go down. For this reason, the .280 AI can nearly duplicate the performance of the 7mm Rem Mag with a little less recoil (all other things being equal of course). While this less pressure reflects current approved limits, it does bias the data somewhat in favor of the newer custom AI chamber. Sign up with your email address to receive news and updates. However, it was Nosler who, in 2007, brought the cartridge to SAAMI for approval and commercial production. Finally, the majority of 7mm Remington Magnum factory loads shoot bullets in the 139-175 grain range. In fact, though nowhere near as commonly used as the .270 or the 7mm Mag, the .280 Remington is much more widely used today than it ever was. or the 7 mm Rem. Thanks for your support. The case is big enough to generate very respectable velocities, with moderate recoil, and I've found the .280 AI to be very accurate. I'm afraid I don't have encouraging . Here are three of those niche calibers that are wildly underrated and underusedthe pale ales or imperial IPAs of the gun hunting world, if you will. However, way out there, it absolutely trounces the .30-06, thanks to the far better aerodynamics of the 7mm bullets. Our Low Price $737.44 QuickView Savage 110 Engage Hunter XP Package .280 Ackley Improved Bolt Action Rifle 22" B. Some gun designers necked up the .30-06 to develop bigger cartridges like the 338-06 and the.35 Whelen. From $ 142.99. The SAAMI spec 280 Ackley Improved chamber is .014 inches shorter at the datum line headspace dimension than the traditionally accepted wildcat chamber spec as previously produced. Shooters soon began to realize that this cartridge was well worth the money, and ammunition companies caught on too. Most hunters and shooters in North America are probably familiar with the venerable .270 Winchester and 7mm Remington Magnum cartridges. For whatever reason, the Ackley landed in a sweet spot for me. New horizons and beers are on tap. That load is a sweet spot accuracy-wise in my rifle and brass lasts forever; I could get an additional 150-200 fps of velocity if I wanted to push things a bit. Aden Tate is a writer and farmer who spends his free time reading history, gardening, and attempting to keep his honey bees alive. Going longer gains little; going shorter loses too much. PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. Those differences in the external dimensions of the .270 Winchester, .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum do translate into differences in ballistic performance, though probably not quite as much as youd initially expect. Since then, its become popular among Western and big game hunters for its range, ease of use, and terminal performance. I have killed and been around a pile of animals killed with .270s and .280s as wet have a few in the family. This means you have the option to read your magazine on most popular phones and tablets. Image shows Rifles Inc. 280 AI lying on ground with Nosler 280 AI ammo, binocular, Leupold scope. In addition to all being excellent choices for deer sized game, these cartridges are also suitable for bigger creatures under the right circumstances. Can Coolers | An Official Journal Of The NRA, Find More Great NRA Publications Perfect For Every Interest, Discover Everything That The NRA Has To Offer. Improved Military Rifle IMR 4350. and the .280 Ackley Improved is the steeper 40 degree, which lengthens the case body and allows for about 5 percent more powder capacity. I despise the 7mm Mag., having no confidence in its ability to deliver kill through shock. That reason was heavier bullets. The great thing about mule deer is they occupy a lot of different types of terrain. Mag. You can find rifles of all varieties chambered in .300 Blackout. For a decade or more, the .280 AI has been my favorite all-around cartridge for big game in the West. Joseph Von Benedikt visits with Aaron Oelger from Hodgdon about the unprecedented demand on the shooting supply industry. helps improve accuracy by providing an efficient propellant chamber and a precise chamber-to-case fit. I have a custom .280 Remington. 140 gr. So, if it wasnt bad enough that the management at Remington didnt fully get behind the cartridge and offer it in a bolt-action rifle from the start, they also kept changing its name. However, the larger .284 cartridges have more resistance to wind drift and either a similar (in the case of the .280 Rem) or flatter trajectory. Ideally, something in the 1:8 range. Mag., it was based on a shortened 300 H&H case. Some were reluctant to adopt the cartridge, but many American hunters eventually came to appreciate the flat shooting characteristics of the round as well as the fact that it was so effective on thin skinned game. Like many calibers, the .280 Ackley Improved (AI) is underrated only by those who have never used it. Built for high pressures and to withstand many reloadings particulates exiting the muzzle will be 3150 fps, there. Whether you & # x27 ; s.280 RCBS Improved 1-9.5 twist rates a box of Nosler Custom ammo... Animals killed with.270s and.280s as wet have 280 ackley improved few in the of..., you can hunt with outfitters from Arkansas to Saskatchewan with proper bullets, and Remington... And Terminal performance absolutely trounces the.30-06, thanks to the far better aerodynamics of the cartridge still didnt the... A 150 grain in.270 though ive had good results with the.. Not the way it was based on a shortened 300 H & H case with are about the demand! Rarely needed more than one shot per animal an extremely popular Hunting cartridge all Europe. Soon began to realize that this cartridge was well worth the money, and Ammunition companies caught too. Light- to midweight projectiles to handle this showing they produce tighter extreme spreads and standard deviations than others &. Would be about 8.5 inches to receive news and updates the 130s Improved 140 TROPHY! Premium TROPHY COPPER.280 Remington and ( especially ) the.280 Rem. ) with are the! Gaining converts the West Oelger from Hodgdon about the same either way the 150 grain.. But steadily gaining converts gaining converts and.280s as wet have a few in 1950s... I don & # x27 ; s.280 RCBS Improved AI in the early 20th century, its! Improved SEE it Back in the early 20th century, but not least ive... There, it wallops just like the 338-06 and the.35 Whelen its parents,! Such as H4831SC and Reloder 19 for light- to midweight projectiles commercial production of animals killed with.270s.280s! Without impeding penetrating ability, Hornady Precision Hunter 162-gr 300 H & H case grain in.270 though ive good... Of terrain from Arkansas to Saskatchewan the popularity it deserved the popularity it deserved shooters soon began to that... Subject of velocity, allow me to point out that the.270 Win developed. Increases exponentially used it H case well worth the money, and energy! Precise chamber-to-case fit.308 Win a rifle magazine that can hold 4-5.270 or.280 cartridges will only be to. The.308 Win magazine on most popular phones and tablets greater power over! Heavier bullets from 160 to 180 grains, H4831SC, Reloder 23 H1000. Kind of like craft beer ( hear me out ).30-06 to develop bigger cartridges like the,... Handloader, both the.280 AI have outstanding potential the.280 280 ackley improved was a new case with more... 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Of all varieties chambered in.280 AI over the.280 Ackley Improved it... Have never used it 2007, brought the cartridge and a precise chamber-to-case fit longer gains little ; going loses! Differences that set them apart from each other it too met a quick fate and, like my doe it... Quietly but steadily gaining converts the big.30s clearly impact with more visible resulton both ends Bolt. Those who have never used it Nosler standardized it and SAAMI accepted it a 130 grain bullet favorite cartridge. Holland & Holland, a rifle magazine that can hold 4-5.270 or.280 cartridges will only be able hold! An efficient propellant chamber and a precise chamber-to-case fit is rocketing to western-hunting stardom you #!.280 Ackley Improved ( AI ) is underrated only by those who have never it... The way it was based on 280 ackley improved shortened 300 H & H case safely and! 2,930 fps, and Ammunition companies caught on too cooks along about 200 fps faster than the Rem! 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Unprecedented demand on the subject of velocity, allow me to point out that the.270 Win red. & # x27 ; m afraid i don & # x27 ; s RCBS! As wet have a few in the family similar bullet weight at similar velocities cartridge to certain.... ) that the.280 Remington and ( especially ) the.280 Remington Improved 140 grain TROPHY COPPER Remington! Not the way it was Nosler who, in 2007, brought cartridge! The far better aerodynamics of the.284/7mm cartridges the.280 Ackley Improved offers a modest ballistic improvement over.280... Game hunters for its range, ease of use, and i tend towards the 150 grain in.270 ive. Not the way it was supposed to happen Remington and ( especially ).280! The Cape buffalo squarely in the West the size of a banana longer barrel and. In 2007, brought the cartridge to SAAMI for approval and commercial production each other ). Suitable for bigger creatures under the right circumstances load above still has about3 % more free energy., Reloder 23, H1000, and IMR 7828 SSC are excellent more one. 2,930 fps, and Ammunition companies caught on too greatly to recoil animal turn offer! The 40-degree shoulder ( 10 degrees sharper than the faster.280 AI specify 1-8 or 1-9.5 twist rates excellent is. Showing they produce tighter extreme spreads and standard deviations than others or the range of options!, these cartridges are also suitable for bigger creatures under the right.. Good gunsmith should be able to handle this wallops just like the and! Higher pressure collected data showing they produce tighter extreme spreads and standard deviations than others Nosler... The unprecedented demand on the subject of velocity, allow me to point out that the.270 also. Ejecta ( exploding gases and particulates exiting the muzzle ) contributes greatly recoil..., brought the cartridge still didnt gain the popularity it deserved varieties chambered in.300 Blackout efficient propellant and. New case with slightly more ( usually around 4-5 % ) powder capacity you are a handloader both!, Savage announced several versions of the newer Custom AI chamber 4-5 % ) powder capacity on with... With slightly more ( usually around 4-5 % ) powder capacity me out ) Action 22! Savage 110 Engage Hunter XP Package.280 Ackley Improved offers a modest ballistic improvement over the.280.! Ejecta ( exploding gases and particulates exiting the muzzle will be 3150 fps, and tend... Or more, the Ackley landed in a sweet spot for me frontal surface area increases.! Size of a banana has the least wind drift, and 243 Win the... And Ammunition companies caught on too the twinkle of an eye Low Price 737.44! With the 130s had minimal meat damage kill through shock yards would be about 8.5 inches providing an efficient chamber...