12.5″ .308 Mid-Length 1:10 Twist Nitride Barrel

(1 customer review)

$149.00 $90.00

12.5″ Mid-length Chrome moly steel barrel.    Chambered in 308 with 1:10 twist rifling.   QPQ (Salt Bath Nitride / Melonite) treated barrel & extension.  5/8-24 muzzle thread

Out of stock

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Additional Information
Weight2.25 lbs
Dimensions13 × 1.5 × 1.5 in

AR – 7.62 x 51 NATO

Gas Length



1:10 Twist


4140 Carbon





Reviews (1)

1 review for 12.5″ .308 Mid-Length 1:10 Twist Nitride Barrel

  1. Jake Roberts (verified owner)

    Alright so I bought this 12.5 barrel for my AR10 pistol build and honestly so far for being a cheaper barrel it’s pretty good. I only have about 140 rounds through it currently 100 tula, 20 pmc, 20 7.62×51 Aguila but I’ve had two malfunctions with running the tula ammo. Which is sad because I like running cheap steel case ammo. Maybe after getting a heavy buffer from KAK it will run steel case slightly better but for now it’s a good barrel although i haven’t shot it out to distance yet so that’s where you’ll find out how good of a barrel this stone mountain arsenal barrel really is. But honestly for the price you cant bet it so if your feeling kinda hesitant about buying this barrel dont be just run brass ammo and you’ll be golden. Hope this helps others looking to buy or looking Into build an AR10 pistol or short barreled rifle.

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