7mm prc vs 280 ackley improved

Flatter is a combo of velocity and BC. The 6.5 is going to send a lighter bullet faster than a heavier 7mm. For example if you run a 135A tip in a 6.5 PRC with a BC in the 630 range and a 168 vld in the 620 range the PRC will win this comparison. You can easily run the 135 at 3200 in a 26" barrel.

Consider these scenarios... (listen) It behooves hunters to have a rifle and cartridge suitable for any task. These cartridges are two of the best for all-around work on the broad spectrum of Western big game. .280 Ackley Improved vs. 7mm Remington Magnum HISTORY 7mm Rem Mag .280 Ackley Improved WHY IS THE 7MM/.284 CALIBER SO SIGNIFICANT?LVJ76 said: Shootallday, at the ranges you'll be hunting there is no need for a 280AI. I have used the 280 Rem and really liked it but always kept going back to the 7mm-08. I've been using the 7mm-08 for a long long time and it kills good out to 500+ yds, paired with thw right bullet for the game you are hunting and you are set.The .280 Ackley Improved has been basking in the limelight since Nosler started chambering its Model 48 rifle for it and offering loaded ammo and unprimed cases. And well it should be as its performance puts it between the .280 Remington on the slower side and the faster 7mm Remington Magnum.. Data shown in the sixth edition of the …In my experience, the .280 AI generates nearly as much velocity as the popular 7mm Rem. Mag. and uses 10 to 15 percent less powder to do so. As a result, recoil is around 5 percent less. Remember, …23 January 2021, 23:03. Big Wonderful Wyoming. The 6.5 PRC will have more loads available, it is the current darling of the long range hunting crowd. Ballistically it is slightly faster, and will have less drop at long range with similar bullets 140 VLD in the 6.5 and 165 VLD's in the 280.

6.5 PRC; 6.5 Grendel; 270 Winchester; 270 Winchester Short Magnum; 7mm-08 Remington; 7mm Remington Magnum; 7mm PRC; 7mm SAUM; 28 Nosler; 280 Ackley Improved; 30-33 Caliber Ammunition. 300 Winchester Magnum; 308 Winchester; 300 PRC; 300 Winchester Short Magnum; 300 Remington Ultra Magnum; 300 Norma Magnum; 30 …Stainless Steel Dial Caliper. $51.99. Add to Cart. This two-die set is intended for reloading bottleneck cases, and consists of a Full-Length Sizer Die with an Expander-Decapping Unit, and a Seater Die with Bullet Seater Plug. The Full-Length Sizer Die brings the case to SAAMI minimum cartridge dimensions.This episode dives into the cutting-edge 7mm PRC and the legendary .280 Ackley Improved. We compare accuracy potential, long-range capability, recoil levels, efficiency and barrel life, versatility with various bullets, downrange potency, appropriate rifle actions, magazine capacity and follow-up shots, ammunition and rifle availability, and more.I was surprised the 160 accubond dropped below 1500 ft. lbs. past 500 yards when started at 2920. I'm shooting 162 ELD-X out of my 7mm-08 at 2650 and could run them at 2700 if I wanted. Those are only 100 ft. lbs. behind the .280 AI/Accubond combo at 500 yards, with probably 2/3 the recoil. Really makes me appreciate the high BC of …270 Win vs 280 Rem vs 280 AI vs 7mm Mag Ballistics 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 you’d initially expect.

280 Ackley Improved. Refine by Caliber: 280 Ackley Improved 7mm Rem Magnum. Refine by Caliber: 7mm Rem Magnum 7MM PRC. Refine by Caliber: 7MM PRC 308 Win. Refine by Caliber: 308 Win 30-06 Springfield. Refine by Caliber: 30-06 Springfield 300 Win Magnum. Refine by Caliber: 300 Win MagnumThe 7mm Rem. Mag. may have won the popular vote, but it's hard to argue that the .280 Ackley Improved isn't a better cartridge. In the Hodgdon reloading manual, the 7mm Rem. Mag. requires 63 grains of H4831 powder to drive a 160-grain Nosler AccuBond bullet out of the muzzle at a velocity of 3,008 fps.The Ackley represents a nice middle ground, the distinctive 40-degree shoulder angle allows for ample powder capacity, but it burns efficiently, producing …Apr 26, 2021 ... There are a number of 7mm centerfire rifle cartridges on the market, but today we discuss the four most popular rounds and their advantages ...

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We've developed helpful informational articles and detailed DIY guides to transform your projects from "to-do" into "done." Whether you need help with Expert Advice On Improving Yo...Alaskan Ballistics - Today on Alaskan Ballistics we're comparing the .280 Ackley Improved vs. the 7mm Remington Magnum. What do you all think? ... 6.5-284 Norma vs 6.5 prc Barnes 127gr LRX. PSA Micro Dagger Magazines G43x Review. LA Police Gear Level IV Plate ReviewMar 30, 2023 · You do realize that the 280 AI as with the 7mm SAUM nearly mimics the 7RM and that the only difference ballistically between the 7 PRC and the 7 RM is the factory barrel twist rate. When you add .25 free bore to the 280 AI you extend the case capacity to around 68.0. You realize that allows you to nearly duplicate 7 PRC ballistics right. The 7mm-08 Remington’s recoil produces 14.88 ft-lbs of energy at a velocity of 10.68 fps. Because of its mild recoil, it is often recommended as a good hunting cartridge for youth and small-framed shooters. The 7mm Remington Mag generates significant recoil of 22.15 ft-lbs at 13.32 fps.280 AI , is rated to 65000 psi , water capacity 74.0 gr , when I set up a powder chart 65.5 gr of RL26 gave the highest velocity of all powders , 3187 FPS. 7 rem mag , is rated to 61000 psi , water capacity 82.0 gr , when I set up the powder chart 69.6 gr of RL 26 gave the highest velocity of all powders , 3205 FPS. B.Thanks to the good advice provided me in this thread, the 6.5 prc build turned out great and I am thoroughly enjoying shooting it. This was 2 weeks ago shooting steel at 428 yards in a new cut-over against the far wood line. That said, the 280 AI itch persisted and I am having one of my 30-06's rebarreled to 280AI.

The 280 AI was developed by Parker Otto (P.O.) Ackley. P.O. was a lot like Roy Weatherby, a wildcatter who was in search of better solutions. His 280 AI set out to improve the .280 Rem by steeping the shoulder to 40 degrees to increase powder capacity. Weatherby is known for ballistics and velocity, our 280 AI offerings will push the industry …The 270 and 280 were both right at the 125-130 fps range and the 06 gained around 110 fps over the parent case. onto the wsm rounds. 50-75 fps was the max increased with either of these. the RUM cases showed more capacity gains then i was expecting which was due to their long length and large diameter cases.Jun 25, 2022 ... The 7PRC is coming soon, but I think they may have missed an opportunity here to use an exciting case and just change the bore diameter.Links:Website: https://ronspomeroutdoors.com/Facebook: https://www.facebook.com/ronspomeroutdoorsInstagram: https://www.instagram.com/ronspomer/Who is Ron Sp...Because of the higher velocity, the 6.5 PRC has a definite advantage in the energy department, delivering 300 to 400 ft-lbs. more than the Creedmoor at any given range. If you want to use a 6.5mm cartridge for larger species like elk in addition to deer and antelope, the PRC makes perfect sense. If you want a cartridge for whitetails and mule ... Head to Head: 6.5 PRC vs. .308 Winchester. We put two short-action gems up against one another: the .308 Winchester, a time-proven veteran with 70-plus years of hunting experience, and the 6.5 PRC, a relative newcomer that is quickly gaining favor in the hunting fields and target range. News, Head To Head. The 24" barrel on our .280 Ackley Improved test model measures 1.150" in diameter at the breech, tapering to 0.794" at the steel bolster backing the muzzle threading, for a contour Nosler calls ...When it comes to buying that spooky-ish-looking Victorian mansion, the word is 'buyer beware.' Advertisement Helen Ackley and her family lived with ghosts for years in their turn-o...What We Covered. 1) History of the 270 Winchester, 280 Remington, 280 Ackley Improved, and 7mm Remington Magnum cartridges. 2) How the cartridges compare to each other in terms of external dimensions, trajectory, recoil, and accuracy. 3) Comparison ammo and rifle choices in each cartridge. 4) Pros and cons of hunting with each cartridge.It will offer a velocity advantage of about 300 fps or so over the 7x57mm Mauser with most bullet weights, and the most popular choice for the .280 Remington seems to be the 140-, 150- and 160-grain slugs. Most major ammunition manufacturers offer at least one load for the .280 Remington, though it does still trail behind the .270 and .30-06.

The following chart shows the usable interior case volume of all popular rifle cartridges, measured in cubic inches and assuming a standard .013″ brass thickness. By “usable case capacity,” I mean the internal area of the body of the case and shoulder, but none of the neck. This would be the space occupied by powder in the case of a flat ...

By Ron Spomer. As sometimes happens in the world of rifle cartridges, the 280 AI (Ackley Improved) is becoming more popular than its parent, the excellent 280 Remington. 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. 280 Remington chambers can be easily ...Feb 4, 2024 ... In this video we go over the 6.5 PRC, 7 PRC, and 300 PRC and ask the question, "which of these cartridges is going to be around long term?You do realize that the 280 AI as with the 7mm SAUM nearly mimics the 7RM and that the only difference ballistically between the 7 PRC and the 7 RM is the factory barrel twist rate. When you add .25 free bore to the 280 AI you extend the case capacity to around 68.0. You realize that allows you to nearly duplicate 7 PRC ballistics right.Seems that most of it comes down to the ability to chamber the 7 SAUM in a short/XM action vs. needing the long action for the 280. That is not in play here. I am a handloader so availability of factory ammo is unimportant. A big plus is that ADG makes brass for the 7 SAUM (when it is available). This episode dives into the cutting-edge 7mm PRC and the legendary .280 Ackley Improved. We compare accuracy potential, long-range capability, recoil levels, efficiency and barrel life, versatility with various bullets, downrange potency, appropriate rifle actions, magazine capacity and follow-up shots, ammunition and rifle availability, and more. #2 – 7mm Remington Magnum. The 7 RM is an exceptionally well-balanced cartridge. It posts excellent ballistics without being too punishing on the shooters shoulder. While I tend to favour the 280 Ackley Improved for similar applications, at this point ammo availability has made the 280 AI more of a handloaders venture. The 7 RM enjoys ...What We Covered. 1) History of the 270 Winchester, 280 Remington, 280 Ackley Improved, and 7mm Remington Magnum cartridges. 2) How the cartridges compare to each other in terms of external dimensions, trajectory, recoil, and accuracy. 3) Comparison ammo and rifle choices in each cartridge. 4) Pros and cons of hunting with each cartridge.Nov 13, 2020 · A good friend is a huge ackley fan. Many .260 and .280 ackley rifles including a scout rifle in 280AI . His 1st Elk was at 702 taken with 280AI @3000 FPS with Berger 168gr Classic Hunter and R26. One and done. Another hunter in camp also ran a 280AI w/ same load and took his bull at 340y. 1 shot.

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Links:Website: https://ronspomeroutdoors.com/Facebook: https://www.facebook.com/ronspomeroutdoorsInstagram: https://www.instagram.com/ronspomer/Who is Ron Sp...The .280 Ackley Improved has been basking in the limelight since Nosler started chambering its Model 48 rifle for it and offering loaded ammo and unprimed cases. And well it should be as its performance puts it between the .280 Remington on the slower side and the faster 7mm Remington Magnum. Data shown in the sixth edition of the Nosler ...7mm SAUM, 150-grain 3,050 fps. 280 Ackley Improved, 150-grain 3,100 fps. 7mm WSM, 150-grain 3,140 fps. 7mm Remington Magnum, 150-grain 3,250 fps. ... Handloaders love the 280 AI for the same reason they love most Ackley Improved cartridges: the slight increase in speed plus the decreased need to trim-to-length when …It outperforms the .280 Remington (also known as the 7mm-06 and the 7mm Express), ... the .280 Ackley Improved can remain supersonic out to 1,400 yards. ... 6.5 PRC vs 6.5 Creedmoor: Battle of the ...One of the greatest wildcat cartridges ever made, the .280 Ackley Improved was developed by the legendary P.O. Ackley after he added a 40-degree shoulder to Fred Huntington’s .280 RCBS Improved. Since its inception in the late 1950s, the cartridge has continued to pick up steam among big-game hunters, especially those …The 7mm-08 Remington’s recoil produces 14.88 ft-lbs of energy at a velocity of 10.68 fps. Because of its mild recoil, it is often recommended as a good hunting cartridge for youth and small-framed shooters. The 7mm Remington Mag generates significant recoil of 22.15 ft-lbs at 13.32 fps.Nov 8, 2022 · The 7mm PRC does offer higher velocity figures—running at a higher pressure—though many feel that the 7mm Remington Magnum has plenty of velocity. The PRC is most certainly a better choice as a long-range target cartridge; I had the opportunity to use the cartridge in a Remington Model 700 at the FTW Ranch in Barksdale, Texas, punching ... 7 PRC vs 7 SAUM vs 280 AI. WKR. Apr 12, 2023. 1. 2. 3. Next. Apr 12, 2023. #1. WKR. Joined. Jun 14, 2019. Messages. 1,506. If you had to pick one for a custom …One of the greatest wildcat cartridges ever made, the .280 Ackley Improved was developed by the legendary P.O. Ackley after he added a 40-degree shoulder to Fred Huntington’s .280 RCBS Improved. Since its inception in the late 1950s, the cartridge has continued to pick up steam among big-game hunters, especially those … ….

Ackley was gathering more industry support and has been around for decades. You can buy 280 remington and shoot in your ackely in a pinch, then reload the fire formed brass. I can still carry an extra round over the PRC. And even if I used a PRC I would still prob be using the 162 gr ELD-X.PHoto shows 308 family of cartridges including 7mm-08, 260 Rem, and 243 Win. none of which are recommended for Ackley Improved. 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. I’m afraid I don’t have encouraging ...Links:Website: https://ronspomeroutdoors.com/Facebook: https://www.facebook.com/ronspomeroutdoorsInstagram: https://www.instagram.com/ronspomer/Who is Ron Sp...7mm SAUM, 150-grain 3,050 fps. 280 Ackley Improved, 150-grain 3,100 fps. 7mm WSM, 150-grain 3,140 fps. 7mm Remington Magnum, 150-grain 3,250 fps. ... Handloaders love the 280 AI for the same reason they love most Ackley Improved cartridges: the slight increase in speed plus the decreased need to trim-to-length when …Links:Website: https://ronspomeroutdoors.com/Facebook: https://www.facebook.com/ronspomeroutdoorsInstagram: https://www.instagram.com/ronspomer/Who is Ron Sp...Nov 1, 2018. #2. The prc has 25% more capacity give or take, so the ackley is never gonna touch it. I’d guess 150-200 fps faster. You should be able to do it with just a bolt head swap. Accurate WSM mags would be wise too. Reactions:Dogsniper. Estes640. Sergeant …An Ackley version of the 280 is becoming the hot new property in 7mms. The 280 AI (Ackley Improved) adds about 100 fps to the 280 Rem. In most AI chambers 280 Rem. ammo can be safely fired, too. The brass flows to the new dimensions and can thereafter be reloaded again and again. Factory rifles and loads are becoming more common each year.Like its parent cartridge, the 7mm-08 Remington works perfectly in a short-action rifle, and inherited the .308’s accuracy. The 7mm-08 Remington shares the same 20-degree shoulder angle and datum line of the .308 Winchester, but the case measures 2.035 inches versus the .308’s 2.015 inches. Much like its father, it performs best with ... 7mm prc vs 280 ackley improved, The 7mm will hit game harder for sure, but I would personally trust a 6.5CM to do the job terminally (on a whitetail) @ 1000. I would be a lot more concerned with the marksmanship end of things. This is based on having hit a whitetail with a 180smk from my 308 @ 700 yards. The 284/280/280AI recoil is significantly greater than a 6.5CM., Fred Huntington, founder of RCBS, developed the .280 RCBS by blowing out the body taper of the .280 Remington and changing the shoulder angle to 35-degrees. P.O. Ackley, the famous gunsmith and ballistician, changed the shoulder to 40-degrees, lent his surname, and the .280 Ackley Improved was born. Like most of the Ackley Improved cartridges ..., Comparing a 140eldm or 143 eldx to a 162 eldx, the 6.5 wins or it’s a wash. With Berger you have to go up to 168 gr 7mm bullets to beat their 140 EH/HT/VLD. For Sierras, a 6.5mm 140 gameking has a significantly higher bc than the 7mm 160. The Nosler seems to be an anomaly in this case as far as the 160gr 7mm having a higher bc than the 140gr 6.5., In this video I compare two modern designed cartridges to see which one comes out on top. Hope you enjoy the video!, Dec 27, 2020 · Jimmy and Mark chat with cartridge-man, Ryan Muckenhirn, about a series of cartridges with one of the most iconic silhouettes - the sharp-shouldered Ackley I... , 7mm Remington Magnum; 7mm PRC; 7mm Remington Ultra Magnum; 7mm Shooting Times Westerner; 7mm Weatherby Magnum; 7mm-08 Remington; 7x57 Mauser; 8mm Remington Magnum; 8x57 JS Mauser; …, May 3, 2023 · It outperforms the .280 Remington (also known as the 7mm-06 and the 7mm Express), ... the .280 Ackley Improved can remain supersonic out to 1,400 yards. ... 6.5 PRC vs 6.5 Creedmoor: Battle of the ... , Aug 16, 2021 ... To learn more about popular hunting calibers like the .270 Winchester, .280 Remington, 280 Ackley Improved and 7mm Remington, ..., Below, you can see the ballistics for the .280 Ackley compared to 7mm Rem Mag and .270 Win. Ballistics charts of the 280 AI, 7mm Rem Mag, and .270 Win. Outdoor Life. The Ackley represents a nice middle ground, the distinctive 40-degree shoulder angle allows for ample powder capacity, but it burns efficiently, producing excellent velocities …, Jul 16, 2023 · The 280 ackley improved and 270 cartridges bring their own distinct characteristics to the table. The 280 ai boasts impressive ballistic performance, while the 270 excels in its trajectory and wind drift capabilities. Comparing their muzzle velocity and energy, the 280 ai holds the advantage. However, when it comes to recoil and perceived ... , Aug 21, 2012 · I’ve got an ackley (two actually) and a 6.5 prc. The prc shoots fine, but I go to the ackley every time. First 280 was built with a 25” tube, next has a 26” proof carbon. Gosh it looks long with the break… I’ve never had to look for a deer shot with my 280ai. 195 Berger’s have dropped 8 or 9 right where they were shot. , That’s right. The .28 Nosler has the same 3.340-inch maximum cartridge overall length as the .30-06, yet it generates the same muzzle velocities as the 7mm RUM. Both the .28 Nosler and 7mm RUM are rated at 65,000 psi maximum pressure, same as the .22-250 Rem. and .300 Win. Mag. Load a 175-grain bullet atop 92 grains of Retumbo in …, 280 ACKLEY IMPROVED. 30-06 SPRG. 300 WBY MAG. 300 WIN. 308 WIN. 6.5 CREEDMOOR. 6.5 WBY RPM. 6.5-300 WBY MAG. 7MM REM. 7MM WBY MAG. 7MM-08 REM. 28 NOSLER. 300 PRC. 7MM PRC. Clear: Mark V® Live Wild™ quantity. Add to cart. Notify me when available. SKU: MLW01 Categories: Mark V, Rifles. Description …, Thanks to the good advice provided me in this thread, the 6.5 prc build turned out great and I am thoroughly enjoying shooting it. This was 2 weeks ago shooting steel at 428 yards in a new cut-over against the far wood line. That said, the 280 AI itch persisted and I am having one of my 30-06's rebarreled to 280AI., Apr 17, 2024 · Below, you can see the ballistics for the .280 Ackley compared to 7mm Rem Mag and .270 Win. Ballistics charts of the 280 AI, 7mm Rem Mag, and .270 Win. Outdoor Life. The Ackley represents a nice middle ground, the distinctive 40-degree shoulder angle allows for ample powder capacity, but it burns efficiently, producing excellent velocities with ... , For just $280. Around a decade ago at the Indian Institute of Technology Bombay (IIT-B), classmates Sneh Rajkumar Vaswani, Chintan Subhash Raikar, and Prashant Iyengar were involve..., Jimmy and Mark chat with cartridge-man, Ryan Muckenhirn, about a series of cartridges with one of the most iconic silhouettes - the sharp-shouldered Ackley I..., The 7mm Rem. Mag. may have won the popular vote, but it's hard to argue that the .280 Ackley Improved isn't a better cartridge. In the Hodgdon reloading manual, the 7mm Rem. Mag. requires 63 grains of H4831 powder to drive a 160-grain Nosler AccuBond bullet out of the muzzle at a velocity of 3,008 fps., The 280 AI is Ackley's version of the 280 Remington, a standalone cartridge based on the 30-06 Springfield case, necked down to accept .284-inch bullets. Necking down the cartridge allows for a wide range of bullet choices that are often ballistically superior. This makes the 280 AI suitable for various applications, from long-range target ..., Wondering how much it costs to send your child to Primrose Schools? We explain the tuition rates and other costs to expect at Primrose Schools. Jump Links Tuition at Primrose Schoo..., 280 AI: 180: 2,760: 3,044: Long: 0.284: The Precision Rifle Cartridge line is now broad enough that for many hunting uses, shooters will have a tough time deciding between the 6.5 PRC, 7 PRC, and 300 PRC. ... The 7mm PRC will beat the following cartridges in sales over the next 20 years: 280AI, Gunwerks LRM, and the 7mm Rem Mag. Personally, I ..., 280 remington 280 ackley improved 7mm rem mag 7mm wby mag 28 nosler 7mm prc (new!) 7mm rem ultra mag 7mm stw. 8 | 10 | 12. 300 aac blackout 300 ham'r 300 savage 308 winchester 30-06 springfield 30-06 springfield ack 30-338 (no fit) 308 norma mag 300 win mag 300 h&h mag 30 nosler, The .280 Ackley Improved has been basking in the limelight since Nosler started chambering its Model 48 rifle for it and offering loaded ammo and unprimed cases. And well it should be as its performance puts it between the .280 Remington on the slower side and the faster 7mm Remington Magnum.. Data shown in the sixth edition of the …, I’ve got an ackley (two actually) and a 6.5 prc. The prc shoots fine, but I go to the ackley every time. First 280 was built with a 25” tube, next has a 26” proof carbon. Gosh it looks long with the break… I’ve never had to look for a deer shot with my 280ai. 195 Berger’s have dropped 8 or 9 right where they were shot., His 280 AI set out to improve the .280 Rem by steeping the shoulder to 40 degrees to increase powder capacity. Weatherby is known for ballistics and velocity, our 280 AI offerings will push the industry standards on both. CARTRIDGE SPECS. Bullet Diameter: .284 (7.2mm) Common Reference: 7mm Caliber Max Case Length: 3.34” Production Start: 2007, Head to Head: 7mm PRC vs. 7mm Remington Magnum. Review: Henry Homesteader 9mm Carbine. 10 Most Versatile Long-Range Hunting Cartridges. ... Head to Head: .280 Ackley Improved vs. 28 Nosler. The 7mm cartridges are a fantastic all-around choice for any hunter pursuing our most common species. Between the .280 Ackley Improved …, This episode dives into the cutting-edge 7mm PRC and the legendary .280 Ackley Improved. We compare accuracy potential, long-range capability, recoil levels, efficiency and barrel life, versatility with various bullets, downrange potency, appropriate rifle actions, magazine capacity and follow-up shots, ammunition and rifle availability, and more. , The .280 Ackley — named after noted gun writer, gunsmith and wildcatter Parker Otto Ackley (1903-1989) — could be described as a mild-mannered deer cartridge with surprisingly hot performance. In the 1996 edition of Gun Digest, author Rob Lucas compared it to one of the hottest 7mm wildcats of the day, the 7mm STW., Nov 4, 2020 · 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. He’s even used it on African plains game. I’ve also had superb results with Berger’s 168-grain VLD Hunting. , An Ackley version of the 280 is becoming the hot new property in 7mms. The 280 AI (Ackley Improved) adds about 100 fps to the 280 Rem. In most AI chambers 280 Rem. ammo can be safely fired, too. The brass flows to the new dimensions and can thereafter be reloaded again and again. Factory rifles and loads are becoming more common each year., Shoulder is set at 40-degrees. All things equal, improves on the .280 Rem. by 100 fps. Originally cases were fire-formed by shooing a .280 Rem. out of an Ackley chamber. Factory loaded, starting with Nosler, in 2007. In addition to being a famous gunsmith, barrel maker and college professor, P.O. Ackley absolutely ruled the roost …, The .270 Winchester, the .270 Weatherby Magnum and .270 WSM all use a 1:10-inch twist rate, which won’t stabilize most bullets heavier than 150 grains. Enter the 6.8 Western, released at the end of 2020. While the concept of a .270 bullet driven at higher velocities had certainly been tried with both the .270 Weatherby Magnum (released 1945 ..., An Ackley version of the 280 is becoming the hot new property in 7mms. The 280 AI (Ackley Improved) adds about 100 fps to the 280 Rem. In most AI chambers 280 Rem. ammo can be safely fired, too. The brass flows to the new dimensions and can thereafter be reloaded again and again. Factory rifles and loads are becoming more common each year.