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  #1  
Old 06-17-2015, 09:38 PM
dsandfort dsandfort is offline
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Location: Northern Colorado
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Default Looking for 280 experience

I've got the itch for a 7mm for mule deer/elk. Shot a 270 all my life (well, since I was 14) and have taken many elk with it so no need for a lack of horsepower discussion. I'm also a card-carrying member of the P.O. Ackley fan club and have a few of them. I'm really interested in the 280 AI. Anybody here have some first hand knowledge and experience. I have quite a bit of experience with wildcats and fire forming so no problems there. I also know this specific caliber is no longer a "wildcat" in it's modern iteration.
Thanks in advance.
Del
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  #2  
Old 06-17-2015, 11:39 PM
csterner csterner is offline
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The 280 is a great caliber. Mine will do everything a 7 rem mag will do, except the heaviest bullets. Mine shines with 140 ballistic tips and RE19 or 154 hornadys with H4350. I'd bet a 280AI would be the cat's meow!
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  #3  
Old 06-18-2015, 02:16 PM
nvreloader nvreloader is offline
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Del

Just joined the PO club, with my first 280AI 40*,
waiting for the PTG reamer to get here,
from doing some "What Ifing" with QL, looks like this will be a winner,
with the RL-26/23 and new Norma 217 powders.

I had DK twich up a good reamer design,
as you know there are 2 different 280AI cases around,
the 28 Nosler (SAAMI) and the 280 AI 40*, full length (non saami).

The difference is the 40* case is .014" longer than the SAAMI version,
on my fire formed cases, they average just over 74.1gr H2o in case capacity.

I show over 3000+fps for the 18" bbl length I am using with a 140 gr bullet and RL-26 powder.

Tia,
Don
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  #4  
Old 09-24-2015, 12:57 AM
Spook Spook is offline
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IMR 7828 and 162 Amax , cloverleafs at 200 with my last one .
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  #5  
Old 03-17-2016, 09:55 PM
Artpro Artpro is offline
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Location: Salem, OR
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Default 280 experience

Kinda late for this thread but I recently picked up an early 50s, CZ model 22 in 280Rem. w/21 inch barrel. It's a small ring 98 w/factory low scope safety, a narrow full length forearm and a narrow buttstock. Weighs in at 6-1/2 lbs. without scope. I have a spare 2x7 Leupold that should feel right at home on it. Can't wait to get it stoked up and fired. Hopefully it will hit where its pointed. Have to try the old school stuff now and then, so the 260 Rem ultralight may get lonely come fall.
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  #6  
Old 03-19-2016, 04:29 PM
Johnly Johnly is offline
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Location: Eugene, OR
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Have a pair of 280 rifles and a pair of 280 AI rifles in my collection. The most chronograph data I have is in a 30" 1/8 twist barrel with a turned neck chamber built by Steve Kostanich. It was designed to use 180 gr. JLK VLD bullets for 1000 yd. prone matches. What a shooter! I even blew out a spotting disk spindle at one of the 1000 yd. matches I shot it. Best load for it was 61.0 of H1000 which delivered 2853 fps and single digit SDs. RL-22 would deliver slightly higher velocities, but didn't deliver the same level of long range accuracy.

My other 280AI is a bean field rifle configuration with a fluted 30" 1/8 twist PacNor barrel with a standard neck. Haven't spent that much time working loads up with this rifle, but I could push 140 gr. Nosler BT at just over 3300 fps with Rl-22 and 100V.

John
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  #7  
Old 03-21-2016, 03:47 AM
458win 458win is offline
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I have a Cooper Excalibur 280AI. Running the 160 accubond at 3000fps. It's killed everything I've shot with it.
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  #8  
Old 03-21-2016, 06:50 PM
kenbro kenbro is offline
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The Brits were trialing a .280 British in the late 1940s with a view to it becoming a NATO round. 280/30, so not nearly so powerful as yours.
Ken.
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  #9  
Old 03-21-2016, 11:10 PM
ramos ramos is offline
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Lifelong shooter/fan of the 270W, myself. Someday, as suggested by a wise and respected long time member of this site, it will become a 270W 'AI'. Mayhap, he will chime in with information that details the strength of this cartridge. Nothing against the 280 option, just figured I would muddy up the waters since you have already have a history with the venerable 270W.
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  #10  
Old 05-01-2016, 07:51 PM
cavscout68 cavscout68 is offline
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I have a 280AI. That I call the do it all rifle!! Midwest deer, WY elk, TX hog's even a coyote or two.140 gr for deer an hog's, 168 classic Berger's for elk an bear. I'm my opinion the 280AI is the best all around hunting round for North America!!!
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