280 AI Real World Feedback

texjitter

Well-Known Member
Joined
Nov 10, 2021
Messages
99
Location
Texas
Good morning all, I'm planning my next build and am heavily considering 280 AI on a Tikka action. Would like to keep this fairly light for a mountain rifle but mainly looking for a non-magnum caliber with plenty of punch for those long shots out west. Have done lots of hunting with 7 Mag and 300 win Mag but after spending some time with my 6CM lately I've come to appreciate the shootability of a softer shooting gun (I also shoot suppressed). I don't reload yet so ammo is limited to factory offerings or ordering from somebody like Unkown Munitions.

*Mainly just wanting to hear about you experience with this round on all types of game and at what distances. Thanks!
 
.280AI 26" 1:9" Proof. I handload, and run a 175 Elite @ 2986fps suppressed. Basically a 7RM in a standard bolt face. Animals HATE this combo. From pronghorn to elk. From 160 to 620 yards. Scoped and suppressed, my rifle weighs just over 9lbs.
Recoil is similar to my 7RM pushing a 180 @ 2996fps w 3 port brake. Very manageable.

My buddy shoots a .280AI, 160 TMK @ 3102fps. He CRUSHES game with his. Lots of them too. From near to far.
 
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.280AI 28" 1:8.75 Bartlein pushing a. 175 ELDX 2940 fps. Running a APA Lil B' Gen 2 brake. It is a heavy gun, never put it in scales, but I would guess 12 pounds. Recoil is very manageable, less than my 308. Several Wild hogs, deer, and 2 elk taken with it. The two elk were at 475 yards. One went straight down, the other made it 25 yards.
 
You said you don't reload and the 280AI is a reloader Cartridge and it's basically a magnum.
 
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280 AI on Tikka action with Proof carbon barrel and Mesa Precision stock should be in my hands from the gunsmith any day now. First load development will be with the 140 gr Absolute Hammer - hoping to run 3300-3400 fps. Should be perfect
Look forward to your results. Unless your barrel is less than 22", it shouldn't be a problem achieving those velocities. I believe Steve was 3300+ FPS out of a 22" with the 140 AH. Just waiting on my barrel. Tenacity and paradigm stock in hand with Hawkins M5 BDL.
 
I pretty much copied Lance Kenyon's load in my 280A1. I chambered a Douglas XX 8 twist sporter with the wildcat version reamer. Using RWS 270 donated by Dave Tooley, I am launching the 175 EH at 2950 after fireforming through a rechambered 7-08 takeoff.

Zeroing the load with CCI250 that replaced the 210Ms, here is the group at 200 yards. After rough zero at 100, first 2 shots landed at 1030, clicked to the right, then clicked down. When zeroing new or modified load I move in 1 axis at a time to verify whether the system tracks close to straight line.
20211127_092114.jpg


FYI, I've had 1st round hits on eSilhouttes with this load from 200 to 1000 yards.

Action is 35 yo Howa 1500.
 

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