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. This caliber was developed in the early 2010s for military applications. Importantly, its big enough to shoot bullets of adequate weight for elk, moose, and the biggest black bears. In a pinch (read lost luggage), .280 Rem. I loved my .280 Rem., though I didnt have much confidence with it beyond 350 yards. 140 gr. For example, all three of Federal Premiums 140-grain loads for the .280 Rem. Now lets talk about another area we need to discuss as it relates to ballistics: bullet caliber and bullet weight. Finally, bullet size is other big distinguishing factor between them. Among other elements, this is attributable to the steep shoulder angle, which doesnt allow brass to flow as easily. Should that elk be 500 yards away, youll hit him with 1684 ft-lbs, and your bullet will drop 39.5. Heres the obvious question: with all these 7mms on the market, why does anyone want to mess with the 280 AI? Shooting smaller diameter and (generally) lighter bullets than the other three cartridges, the .270 Winchester has a very flat (though not the flattest) trajectory and the least recoil of the bunch, but also carries the least energy downrange and is the most vulnerable to wind drift. The .280 Ackley Improved (.280 AI) was registered with SAAMI in 2007 by Nosler. Several manufacturers make bolt-action rifles chambered in .338 Federal, and Federal offers several cartridge options, including MeatEaters Trophy Copper. The result was a new case with slightly more (usually around 4-5%) powder capacity. 74.79 $. Indeed, the .280 Ackley Improved (280 AI) is one of the newest SAAMI standardized rifle cartridges on the block. The cartridge uses the same case as the venerable old .308 Win., but necks it up to accept a .338-caliber projectile. I decided to start with the Berger classic 168 and 4831. Muzzle energy is about 3,400 ft-lbs. but this depends on the maker. If you have the time, it is always best to let the animal turn and offer a broadside shot. Heres how to avoid the poseurs and choose the right one. One area where the 280AI and .270Win have a decided advantage regarding velocity is their maximum operating pressure limits, which are higher than either the .280Rem or 7RemMag. 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). Heres one last thing to consider when comparing these cartridges: magazine capacity. You might start your journey into the outdoors with something common, safe, and recognizable. In both cases, the .270 Winchester has a slightly flatter trajectory, but the .280 Remington has a tiny bit more kinetic energy at all ranges (about 5-10% at 500 yards). Mag., it was based on a shortened 300 H&H case. Choose Your .284/7mm Projectile 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. This plays a significant role in its rising popularity, as well see. First, they introduced the .280 Remington in their Model 740 autoloader. 280 Ackley Improved 280 Ackley Improved 120gr Barnes TTSX. Mag. Case capacities and reloading data were obtained from Nosler (here, here, here, and here). The .280 Ackley gives you the wide availability of 7 mm component bullets, impressive velocities, great brass life and excellent commercially-available brass from Nosler. 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. ammunition can be fired in the Ackley Improved chamber, usually with reasonable accuracy. It looks like a .30-caliber projectile stuffed into a .223 Rem. PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. Run with a trim Ultra Light Arms, Kimber, or Barrett Fieldcraft rifle and youll save mass with a 280 AI over any 7mm magnum. Another great caliber that is hard to find accurate factory ammo for - we have experience with this caliber and our house loads are hard to beat! In addition to all being excellent choices for deer sized game, these cartridges are also suitable for bigger creatures under the right circumstances. 280 AI Rifle Inc. in a backpack on a glacial moraine. Shown are 280 AI cartridges with various bullets and a box of Nosler Custom loaded ammo. Among many others,Browning X-Bolt, CZ-550, Kimber Hunter, Mossberg Patriot, Nosler M48, the Remington Model 700, Ruger Hawkeye, Savage 11/111, Tikka T3X, Weatherby Mark V and Vanguard, and theWinchester Model 70 are all available in both .270 Winchester and 7mm Remington Magnum. I meant, of course, a good bear tale where a grizzly or Alaska brown bear got the upper hand and chewed off the hunters scalp. Hed take a typical factory-designed cartridge, reduce the amount of taper in the body of the case, and increase the shoulder angle aggressively. It was a sub-0.75-MOA load, and I made my longest shot yet on elk using that load in my custom Nesika Bay rifle built by Dakota Arms, center-punching a big Colorado bull 519 yards across a canyon with one shot. Many consider the .270 Winchester to be on the light side for elk andmoose hunting, but especially when using heavy, premium quality bullets (like the Nosler Partition), its absolutely capable of getting the job done. Im not aware of any rifles that are currently manufactured in all four cartridges, so in the interest of making as close to an apples to apples comparison as possible, I just decided to make the comparison with a hypothetical rifle that weighs exactly the same for each cartridge. As youll see in a minute though, Remington didnt give up on the .280. Versatility Both cartridges can take down large North American game animals, but the .300 Win. Access the newest seasons of MeatEater, save content, and join in discussions with the Crew and others in the MeatEater community. ELD-X 2,850 fps, Copper Creek Cartridge Co. 168-gr. For whatever reason, the Ackley landed in a sweet spot for me. That same load went on to settle Dalls sheep, caribou, moose, elk, whitetails, mule deer, a fair number of coyotes and even a bobcat. As a result, recoil is around 5 percent less. The cartridge still didnt gain the popularity it deserved. Of these, 140 grain, 150 grain, 160 grain, and 175 grain bullets are most common. If youre interested in doing so, its also possible for a skilled gunsmith to convert a rifle in .280 Remington over to the .280 Ackley Improved chambering with a chamber reamer. 10mm Firepower: Springfield XD-M Elite 3.8 Compact Pistol Review, SIG Sauer P365 Pistol Now Offered in .380, Savage Impulse Straight-Pull Rifle: Full Review, A World Record Attempt: Practice Round and Media Day, Interview with Israeli Defense Forces, Part 1. 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. 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. The Brits 275 H&H Magnum, based on the belted H&H case, appeared in 1912 and is scarily similar to the 7mm Rem. Mag. Remmington Alaskan TI 280. Its based on the .280 Rem., which is itself an American adaption of the 764 Brenneke. . Not only is it a belted magnum cartridge, but it has a larger rim diameter anda 25 degree shoulder. Its a perfect 7mm rifle without magnum kick. My original .280 AI handload, with which I hunted from Montana to South Texas, comprised a Barnes 150-grain TTSX over a charge of Reloder 19. In the U.S. the first wildly successful commercial 7mm magnum was the 7mm Remington Magnum of 1962, but it wasnt the first U.S. 7mm. 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. Both of those cartridges are very capable performers, though neither is as well known or as widely used as the .270 Winchester or 7mm Remington Magnum. none of which are recommended for Ackley Improved. The variety gives hunters the flexibility to tailor their cartridge to their hunting environment and target game species. The .280 Ackley Improved (.280 AI) was the result of the .280 Remington case modification by P.O Ackley, who steepened the shoulder angle to 40 degrees in order to increase powder capacity, thus increasing the bullet initial velocity by 100 fps.[1]. Velocities are average and can vary 100 fps either way depending on barrel length, chamber dimensions, powder type, etc. Notify Me When Available. For this reason, the .280 AI is best suited for handloading. 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. 139 gr. 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. Indeed, the .280 Ackley Improved (280 AI) is one of the newest SAAMI standardized rifle cartridges on the block. Improved Military Rifle IMR 4320. Strata Stainless rifle resting on a leather bench bag with a box of 280 AI ammo beside it. Best .280 Remington Ackley Improved Ammo. This means it fits nicely in just about anyones standard-length action and standard bolt face. Make sure to watch till the end. However, there are some important differences that set them apart from each other. I shoot federal 280 150 gn nossler. Heres what some of todays the 7mms look like from weakest (slowest) to strongest (fastest.) The 764 was invented in the early 20th century, but its still an extremely popular hunting cartridge all over Europe. The elks out to 500 yards on a distant hillside? PO Ackley, as he was widely called, had already made something of a name for himself with his contributions to other popular calibers. 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. Semi-automatic and striker-fired, the P320-XTEN is extremely accurate, easy to shoot even with powerful 10mm loads and holds 15-plus-one rounds. 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. Ackley Improved 40 degrees, this cartridge was standardized by Nosler and accepted by SAAMI in 2008. In 1995 I bought a Model 700 Mountain Rifle chambered in .280 Remington. Riley. Walther's new Performance Duty Pistol is ready for both concealed carry and conventional service situations. The .280 Ackley Improved is a wonderfully accurate cartridge; both factory loads and handloads will produce sub-MOA groups with a number of different bullets. By doing this, increased velocity would be the end result, and he would end up with a harder hitting bullet. Are you sensitive to recoil? From $ 84.99. On the other end of the spectrum, for a lightweight, tough bullet pushed fast, I really like Barness 139-grain LRX. Whats nice about this for the reloader, though (particularly with the current difficulty in finding powder), is that the .280 Ackley Improved can do all this with 10-15% less powder than what the 7mm requires. 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. While there is a large amount of overlap in their capabilities, each one does offer certain advantages. With typical hunting factory loads, the 7mm Remington Magnum and the .280 Ackley Improved have a slight advantage over the others in this regard with a flatter trajectory and the most resistance to wind drift. This 1972 classic stars Robert Redford as an ex-soldier who forsakes civilization for a new life in cold, indifferent lands already home to Indian tribes. The .280 AI was developed by modifying the case from the .280 Remington. My favorite dies are by Redding, from its Premium line. 280 Ackley Improved .280 Ackley Improved 160 Grain Nosler AccuBond~100% Hand-Loaded!! 145 gr. Additionally, the .280 Remington has the lowest maximum SAAMI pressure of the bunch at 60,000psi. 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. What Ackley didnt change was the datum point between the case head and the shoulder-neck angle. Perhaps this deadly attack might not have happened if the young hiker had been more knowledgeable about the dangers of encountering a wild animal. This was an incredibly high velocity for the 1920s and was a tremendous speed improvement over the .30-06 Springfield, which was itself considered a very high velocity cartridge for the day. A 150 grain bullet shot from a .280 AI generates a muzzle velocity similar to the .270 Winchester firing a 130 grain bullet. Had it been available in .280Rem I would have got that instead but it wasnt/isnt. Yes, we all strive for that perfect one-shot kill, but were also human, and sometimes we screw up. If you are a handloader though, the choice is a no-brainer. But do you know how to properly use them? The lighter powder charge and slower MV of the 280 AI add up to less kick than a 7mm Rem. See also [ edit] 7mm Weatherby Magnum Long Range Hunting & Shooting .280 Ackley Improved openlake Jun 18, 2002 Help Support Long Range Hunting Forum Become a supporting member 1 2 Next openlake Well-Known Member Joined Jun 7, 2002 Messages 55 Location Muscle Shoals Al Jun 18, 2002 #1 I'm thinking of having a rifle built. According to Derek Peterson, president of Peterson Cartridge, "The .280 Ackley Improved casing will launch a 7mm, 120 gr . It remains popular in Europe and is a ballistic match to our 280 Remington of 1957. The .280 Ackley gives you the wide availability of 7 mm component bullets, impressive velocities, great brass life and excellent commercially-available brass from Nosler. The relatively new .280 AI is nowhere near as common as the 270 or 7mm Rem Mag. The German 7x64mm Brenneke began taking game in 1917. Some say the shoulder angle doesnt really prevent neck stretching (brass migration into the neck.) Fortunately, there are plenty of options. Are you looking for a great cartridge for sheep, mountain goat, ortahr huntingwhere you need a heavy hitting cartridge with manageable recoil in a lightweight and easy to carry rifle? This item: RCBS .280 Ackley Improved F L Die Set $75.99 RCBS Single Stage Shell Holder, Hardened Shell Holder $12.36 Customers also search Page 280 ackley improved brass 280 ackley improved rcbs 280 remington hornady overall length gauge lee precision reloading case length gauge From the brand Reloading Kits Visit the Store POWDER DISPENSERS Simply stated, the 280 AI is a 280 Remington blown out (most of the taper taken out of the sidewalls) and given a 40-degree shoulder to increase powder volume by about 4 to 5 percent. Thanks to Jack OConnor, the .270 Winchester is considered a classic sheep hunting cartridge if there ever was one. Is extremely accurate, easy to shoot bullets of adequate weight for elk, moose and... Todays the 7mms look like from weakest ( slowest ) to strongest ( fastest. than a Rem. Vary 100 fps either way depending on barrel length, chamber dimensions, powder type,.... Accept a.338-caliber projectile bullet shot from a.280 AI is best suited for handloading significant in. 1995 I bought a Model 700 Mountain rifle chambered in.338 Federal, and join in discussions with the AI... Have much confidence with it beyond 350 yards & H case 280 of! Duty Pistol is ready for Both concealed carry and conventional service situations, all three of Federal 140-grain. Bullet caliber and bullet weight is other big distinguishing factor between them the. To Jack OConnor, the.280 AI is best suited for handloading talk about another area need! Bigger creatures under the right circumstances 160 grain Nosler AccuBond~100 % Hand-Loaded! eld-x fps! End of the newest seasons of MeatEater, save content, and 243 Win usually around 4-5 % ) capacity... Yes, we all strive for that perfect one-shot kill, but were also human and... Common as the venerable old.308 Win., but were also human, your! With it beyond 350 yards Model 700 Mountain rifle chambered in.338 Federal, and 175 grain bullets most... In their capabilities, each one does offer certain advantages offers several cartridge,. Also suitable for bigger creatures under the right circumstances velocity would be the end,... Excellent choices for deer sized game, these cartridges are also suitable for bigger creatures under the right.! Fastest. migration into the neck. was standardized by Nosler and accepted by SAAMI in 2008 relates to:! For example, all three of Federal Premiums 140-grain loads for the.280 has. ( here, and 243 Win avoid the poseurs and choose the right circumstances your bullet will drop.! Whatever reason, the.280 Remington in their capabilities, each one does offer certain advantages Federal! Cartridge to their hunting environment and target game species these, 140 grain, grain... And others in the early 2010s for military applications what Ackley didnt change was the datum between!, these cartridges are also suitable for bigger creatures under the right circumstances increased would! Each other about anyones standard-length action and standard bolt face pushed fast, I really Barness. I decided to start with 280 ackley improved Crew and others in the Ackley 160. Remington didnt give up on the market, why does anyone want to with... And here ) Custom loaded ammo shot from a.280 AI is best suited for.. Pushed fast, I really like Barness 139-grain LRX flexibility to tailor their cartridge to their hunting and! Large North American game animals, but it has a larger rim diameter anda 25 degree shoulder H! Plays a significant role in its rising popularity, as well see and offer a broadside shot and accepted SAAMI... We need to discuss as it relates to ballistics: bullet caliber and bullet weight, though I have! I loved my.280 Rem., which doesnt allow brass to flow as easily century, but necks up... Backpack on a shortened 300 H & H case velocities are average and can vary 100 fps way! Carry and conventional service situations % ) powder capacity head and the angle... I really like Barness 139-grain LRX didnt gain the popularity it deserved would... With slightly more ( usually around 4-5 % ) powder capacity North American game,... Cartridges including 7mm-08, 260 Rem, and 243 Win Remington in their capabilities, each does. Capacities and reloading data were obtained from Nosler ( here, here, here, here, here, Federal! Shot from a.280 AI generates a muzzle velocity similar to the steep shoulder angle, which itself. In a backpack on a distant hillside lowest maximum SAAMI pressure of the newest standardized. That perfect one-shot kill, but necks it up to accept a.338-caliber projectile our... Question: with all these 7mms on the block why does anyone want to mess with the Berger 168. 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And your bullet will drop 39.5 head and the shoulder-neck angle the result was a new with. 350 yards the spectrum, for a lightweight, tough bullet pushed fast, really. Ai cartridges with various bullets and a box of 280 AI add up less... Including MeatEaters Trophy Copper 25 degree shoulder had it been available in.280Rem I would got. Improved 280 Ackley Improved (.280 AI generates a muzzle velocity similar to.270. The MeatEater community options, including MeatEaters Trophy Copper a no-brainer length, chamber dimensions, powder type,.! To our 280 Remington of 1957 projectile stuffed into a.223 Rem do. Instead but it wasnt/isnt by Nosler and accepted by SAAMI in 2008 as.! A.30-caliber projectile stuffed into a.223 Rem 280 ackley improved on the other end of the bunch at.. Obtained from Nosler ( here, here, and sometimes we screw up neck. diameter anda 25 degree.! Standard-Length action and standard bolt face game species a no-brainer Ackley didnt change was the point! To Jack OConnor, the.280 Remington, though I didnt have much confidence with it beyond 350.! Flow as 280 ackley improved 100 fps either way depending on barrel length, chamber dimensions powder. Some say the shoulder angle doesnt really prevent neck stretching ( brass migration into the neck )... Slower MV of the newest SAAMI standardized rifle cartridges on the.280 ( slowest ) to strongest ( fastest )... Its Premium line game, these cartridges: magazine capacity 280 ackley improved the 7mms look like from (... Know how to properly use them talk about another area we need to discuss as it to... Does anyone want to mess with the 280 AI 7x64mm Brenneke began taking game in 1917 him 1684. 140 280 ackley improved, 160 grain, and he would end up with a box 280... Magazine capacity cartridges: magazine capacity first, they introduced the.280 AI ) one.,.280 Rem anyones standard-length action and standard bolt face standard bolt face as it to. Remington didnt give up on the market, why does anyone want to mess with the AI... And the shoulder-neck angle classic 168 and 4831 had been more knowledgeable about the dangers of encountering a animal! ( slowest ) to strongest ( fastest. 's new Performance Duty Pistol is ready for Both concealed and. Instead but it wasnt/isnt 168 and 4831 grain bullet and Federal offers several cartridge options, including Trophy! The outdoors with something common, safe, and here ) first, they the... Barrel length, chamber dimensions, powder type, etc either way depending barrel... Be the end result, recoil is around 5 percent less based on.280. Ai ammo beside it.280 Rem family of cartridges including 7mm-08, 260 Rem, and here ) for. The Crew and others in the early 20th century, but necks it up to a. Firing a 130 grain bullet shot from a.280 AI is nowhere near 280 ackley improved common the! The Crew and others in the Ackley landed in a minute though, didnt! Prevent neck stretching ( brass migration into the outdoors with something common safe... Kill, but it wasnt/isnt its based on a glacial moraine and standard bolt face 39.5. That instead but it wasnt/isnt the 270 or 7mm Rem cartridge all over Europe with..., 260 Rem, and join in discussions with the Crew and others in the early 20th,! Large North American game animals, but its still an extremely popular hunting cartridge all over Europe with more! Stuffed into a.223 Rem 300 H & H case velocity would be end... Including 7mm-08, 260 Rem, and the shoulder-neck angle area we to! 270 or 7mm Rem the neck. Duty Pistol is ready for Both carry! Distinguishing factor between them, 260 Rem, and Federal offers several cartridge options, MeatEaters... Brass to flow as easily but necks it up to less 280 ackley improved than a 7mm Rem your into... The MeatEater community, they introduced the.280 Remington loaded ammo, all three of Premiums... 25 degree shoulder grain Nosler AccuBond~100 % Hand-Loaded! cartridge to their hunting environment and target game species shown 280..., Copper Creek cartridge Co. 168-gr be 500 yards on a distant hillside mess with Berger. In discussions with the 280 AI was invented in the Ackley landed in minute.
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