243 Ammo for AR 10?

[Apexpredator65]

I just picked up an AR10 in .243 and I'm looking for suggestions for ammo from some of you guys that may have one, or may have experience with them. I'm more interested in factory ammo than hand load info.

The information on the AR 10 is below:
Caliber: .243 Winchester
Barrel: 20" Inch Match Grade Chrome Moly Barrel, M-4 Feed Ramps
Rifling Twist: 1:10 RH
Muzzle Device: None
Front Sight Base: Picatinny Gas Block, Top of gas block is .398 (+/- .010) lower than top of receiver
Upper Receiver: Forged Flat Top Receiver with Picatinny Rail and Forward Assist 7175-T74 Aluminum

 

[blksno]

Re: 243 Ammo for AR 10?

Provided you ever find any...this is what I'd look at. Or at least something similar.
I wouldn't really bother with anything larger than 105gr, even though it will probably work, it won't perform at it's optimum ability with a 1:10 twist barrel thats only 20"

HSM 243 Winchester 95gr Berger Match Hunting VLD

 

[DT1]

Re: 243 Ammo for AR 10?

Good advice from C Bass16, the 1:10 twist will not stabilize any of the heavies. Try some different ammo with 95gr or less bullets and see what it likes. Loads with the Berger 95's or lighter ballistic tip bullets are probably your best bet.

What brand? Armalite? Just curious.

Good luck!

 

[Apexpredator65]

Re: 243 Ammo for AR 10?

Yes it's an Armalite. I'm currently searching for a Free Float handguard for it. It had 16 inch hand guards.

 

[groundhogbuster]

Re: 243 Ammo for AR 10?

Just shot a buddy's . He got best performance out of 75g Hornady match. The heavies, or hotter loads banged the buffer up pretty bad. I told him to get an adj. gas block. The book said nothing over 100g, due to excessive wear.

 

[sharvest]

Re: 243 Ammo for AR 10?

My armalite 243 loves that hornady 58 grain moly amax.
Depends what you are shooting I suppose...

 

[Apexpredator65]

Re: 243 Ammo for AR 10?

I scored a bunch of reloading supplies from a local guy that stopped reloading including 200 Berger 95G VLD and 200 Sierra 95G bullets, dies, brass, primers ect.

Now I just need some load advice from some folks that have shot the AR10 in 243. Don't want to waste too much of these expensive Bergers wouldn't you agree?