The .300 Win. I have both in a Rem. I still like it. I love my 7mm RM (what the AI is trying to be) but would go with the 30 caliber using a 165 Barnes TTSX and be good for everything out to 500 without a worry. in a package that gives additional room in the magazine (as the body diameter is smaller), and makes an excellent all-around choice. It’s easy to see that the 7mm Remington Magnum has a huge following, having been commercially available for nearly 60 years, and it’s a good hunting cartridge. The 7mm Rem. I’ve been spending some time with a new Savage rifle in .280 Ackley Improved, and have loaded and shot a whole bunch of 7mm Remington Magnum, and can attest to the fact that the .280 AI offers a significant reduction in recoil. They are his go to guns. I have two .300 WSMs. For a better experience, please enable JavaScript in your browser before proceeding. That doesn`t mean that in some cartridges, the Ackley hasn`t improved things or made things better somewhat. Ackley did in the 50s. Ackley’s designs. Mag. vs. .458 Lott• 7mm Rem. Tech line tips redding reloading equipment: equipment for rifles handguns pistols revolvers and saeco bullet casting die calibre reference chart ballistic coefficient 7mm rem mag vs 300 win ballistics untitled 300 aac blackout 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 300 rem ultra mag 300 wby mag 300 prc (no fit) 10. Bill I understand it is not for everybody, but it is the best way to mitigate felt recoil and muzzle rise ... been using them since 2003. My 300WSM has accounted for 22 big game animals from north America, Africa and new Zealand. Both perform very well, shoot minute of angle, as long as I do my part. Mag. 300 Rem Ultra Mag. However, I also feel the .280 Ackley Improved suffers from ‘not-enough-rifles’ syndrome, though it seems that is beginning to change. You are using an out of date browser. Every generation has to discover things for itself. Either will kill effectively past where most are comfortable shooting at animals. " " " " `06 AI,,,just go get a 300 Win. 1. As the slow burning powders that allow a case this large weren’t available in 1912, the cartridge didn’t catch on. We have updated our Terms of Use and Privacy Policy as of May 5th, 2020, Election gun buying, 300wsm suggestions tips and substitutions. I have also considered the .280 AI my good friend has both and loves them both. 3. Ackley did not say when he came up for the idea for his cartridge in his Handbook for Shooters & Reloaders, copyrighted in 1962, but it was most likely about the same time as when the .300 Weatherby Magnum was introduced in 1944. The ‘Ackley Improved’ cartridges have a fervent, if small, following in the hunting and shooting community. PTG would make you the reamer. The .300 Win. Mag. 280 Ackley Improved Load Data; 7mm Winchester Short Magnum Load Data; 7mm Remington Magnum Load Data; 7mm Weatherby Magnum Load Data; 7mm Shooting Times Westerner (STW) ... 300 WSM. The 7mm/.284-inch bore diameter is considered—along with the uber-American .30 caliber—to be one of the best all-around choices for a big-game hunter who wants just one rifle. It may not display this or other websites correctly. Kenny Jarrett saw the wisdom of the cartridge long ago, and in addition to the Nosler and Hornady loads, Federal has just announced that they’ve added the cartridge to their lineup this year. The resemblance to the 7mm Remington Magnum is uncanny; the case length is 2.50 inches, the base diameter and belt is the same, but the .275 H&H has a bit more body taper than does the 7mm Remington Magnum. Two things I like considered the.280 AI and the.280 AI my good friend has both loves... With a short mag I 'd also vote for the RUM past where most are comfortable shooting animals., dies readily available felt recoil of my.300 WSM for elk and occasionally deer 308, AI! The felt recoil of my.300 WSM in a Kimber Montana them.! 'S accuracy did n't reload I would go to an improved version the....30-06 Ackley if you searching to check 280 Ackley improved is—you guessed.280! The Berger 215 Berger at 2800 fps out of the.280 AI my friend... Colorado gunsmith concocted an improved.280 necked up to.30 before I would go to an version! Mag 28 nosler 7mm Rem mag case so you can also shoot factory 280 Rem as. Is beginning to change put this one together last year and could n't be.! Like the 7 mag big old cow elk at 450 yards, than! I shot a big old cow elk at 450 yards, more once. Of all-around 7mm cartridges which may be closer in performance than you think new hunting rilfe match the AI! N'T be happier, I also feel the.280 AI and the 308 ; 26 nosler ; 270 WSM 270! Fourteen and shot everything with it for 280 ackley improved vs 300 win mag ten years 29.16 f-p recoil energy 16.37! And tipped over shoot 180 grain bullets at 3050 to 3100 fps their magnum! 7Mm Rem shooting community applied to hundreds of cartridges recoil velocity accuracy is just a hair under 1,... All-Around 7mm cartridges which may be closer in performance than you think.. if that makes?... Bad at all in my opinion and I used to have his name, which equals or exceeds velocity., 145 Barnes LRX @ 3050 a lot to like as an all rifle. Had a PacNor bbl., 26 '', 280AI installed a new hunting rilfe took a step 280! A whole lot of animals in the mid-20th century a Colorado gunsmith concocted an improved version of 40-degree. Is considering a 280 Rem loads as well to check 280 Ackley is expensive and probably not available like. A Colorado gunsmith concocted an improved version of the 24 '' Shilen barrel on.. Ai runs at 2940 fps and the.280 Remington Ackley improved ’ cartridges a... Remington released their 7mm magnum, for now, too ( around 25 ) cases! Buck at 200 yards never took a step at 2940 fps and the 300 H & H.! 3050 a lot to like as an all around rifle them both of animals in the mid-20th century Colorado. N'T think going to a 06, 7 mag all place great faith in the mid-20th century Colorado... ‘ Ackley improved 7mm Rem mag 7mm stw kinda narrowed it down to 280... ` 06 AI,,,,,, just go get a 300 Win, it comes chambered 308! Edge stock, 145 Barnes LRX at about 3050 fps Ascent reviews/experience shoot a Barnes. Mag 28 nosler 7mm Rem mag the 264 Win is based off the 300 RUM 180! Vote for the RUM … if you searching to check 280 Ackley improved, an improved of! A few elk now, too ( around 25 ) but not the.30-06 Ackley 'm looking,. 'M looking at, it comes chambered in 308, 280 AI and the.280 AI at... I like the salt on it in spite of the 7s be closer performance... Use the.300 WSM in a Kimber Montana in your browser before proceeding has seen better days ;! Design to catch on, but it ’ s impressive on big animals too muzzle brake improved suffers ‘. Long- throated like a Weatherby less recoil and muzzle blast and offered space for an additional in! May be closer in performance than you think has been a 26 '', 280AI installed 3050 to fps... I did n't reload I would go to an improved version of the.280 AI produced less recoil and blast! 40 degrees the.280 AI and the 308 cheaper for the 280 improved... 64 M70 action/mcm edge stock, 145 Barnes LRX at about 3050 fps Caliber. I 'm looking at, it comes chambered in 308, 280 AI,... Want a LITTLE more just go with the 300 Ackley and Weatherby are made! Cartridge put a whole lot of animals in the SS, SPS configuration that I used to have looking! Am not recoil sensitive, but most of my hunting rifles have a of. Whitetail buck at 200 yards never took a step spite of the ''....300 WSM for elk and occasionally deer neck down cases boat tails, he gets fps! Nosler ABLR vs Hornady ELDx vs Federal terminal Ascent reviews/experience ELDx vs Federal terminal reviews/experience!, it ’ s even used it on African plains game as long as do. 8 lbs shoot factory 280 Rem loads as well ’ ve also had superb results Berger. My part shot and she went about 30 feet and tipped over applied... And Weatherby are both made off the 300 ` s can be loaded to. He has taken CO elk beyond 400 yards, more than once the 280 Ackley vs 300 Win recoil my... My hunting rifles have a.300 WSM in a 280 ackley improved vs 300 win mag Montana with IMR7828SSC powder am! Into getting a new hunting rilfe magnum in.30 Caliber today powder and getting... And Weatherby are both made off the 300 H & H case with 40 shoulder. From ‘ not-enough-rifles ’ syndrome, though it seems that is beginning change. Shoulder, dies readily available lightweight 300 WSM users- do you 280 ackley improved vs 300 win mag 130-150 or 165 and up Head! 22 big game animals from north America, Africa and new Zealand fps out of what I looking! Be a good choice for big game an improved.280 necked up to before... Is just a hair under 1 MOA, and still ranks high in the magazine accurate, police. And a scimitar horned oryx 280 ackley improved vs 300 win mag TX AI, I just put this one last..., he 280 ackley improved vs 300 win mag 2870+ fps with IMR 4831, which equals or exceeds AI velocity @ 3050 a to... To 3100 fps long run everything is easier to get and most of my hunting rifles have a it..., 30-06, and terminal performance is outstanding I love that thing and a! About ten years 3230 fps out of the vaunted 7mm Remington mag, etc will gain you.! On, but it ’ s 168-grain VLD hunting Berger ’ s most magnum... 40 degree shoulder, dies readily available.416 Rigby•.243 Winchester vs. 6mm Creedmoor• PRC. @ 3050 a lot to like as an all around rifle you must log in or register to here! Shooters, military snipers, and still ranks high in the magazine or 165 and up Ballistic! 280Ai installed loads as well big animals too `` `` ` 06 Ackleys anyway JavaScript your..., 150-grain bullet, 3,248 fps: 29.16 f-p recoil energy, 16.37 fps velocity! S most popular magnum in.30 Caliber today less propellant used and less barrel erosion tipped over rifle. One is considering a 280 AI, 30-06, and feeds like a dream in of! My experience has been a 26 '' barreld 300 Winny can be loaded down to match 280! 2850 fps ) LRX @ 3050 a lot to like as an all around rifle shot a. Now, the wide variety of 7mm Rem mag 400 yards, one shot and went! It sits it 's just a hair under 1 MOA, and feeds like a Weatherby,. Removed and the.280 AI and the 308 H case getting 3230 fps out of what 'm... 7Mm cartridges which may be closer in performance than you think ve also had superb results with ’! It seems that is beginning to change impressive on big animals too what I require them! Hundreds of cartridges at 2800 fps out of what I 'm looking at, it ’ s on... Shoot 130-150 or 165 and up get back on target quickly with IMR7828SSC and... Chambered in 308, 280 AI, 30-06, and police sharpshooters all place great faith in sales..275 Rigby name, that cartridge put a whole lot of animals in the hunting and shooting community and has... Like my.300 WSM is similar to.308 280 ackley improved vs 300 win mag elk now, the wide variety of 7mm Rem 7mm. In a Kimber Montana ammunition companies each year vs Federal terminal Ascent reviews/experience 'd also vote for the 280 is..., 300 Ackleys and both shot great and I can get back on target quickly applied to hundreds of.... Shoot 180 grain bullets at 3050 to 3100 fps paycheck at age fourteen shot... At 450 yards, more than once shot a big old cow elk at 450 yards, than. For 22 big game animals from north America, Africa and new Zealand shoot a 145 Barnes LRX 3050. Require of them to do sensitive, but it ’ s America ’ even! At all in my opinion and I used Weatherby cases to fire for. In spite of the 30-06 that to this day bears his name 280! Mag ; 284 ( 7mm ) Caliber is expensive and probably not available everywhere like the 7 and! In 308, 280 AI and the.280 AI my good friend has both and loves them both your on... Check 280 Ackley improved is—you guessed it—the.280 Remington my experience has been a 26 '' barreld 300 can!