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AR-15 Uppers, Kits, Rifles, Pistols & Parts. ar15depot.com is your one-stop shop for all your AR-15 rifle needs. Shop complete AR-15 rifles and AR-15 pistols, upper receivers, lower receivers, build kits, AR-15 parts, etc. Also, shop our selection of 5.56 ammo by some of the industry's best brands. ard american rifle depot
BARREL 5.56 WILL ALSO SHOOT 223
Gas System: Rifle Length Gas System
Chamber: 5.56 with
Twist Rate: 1/8 button rifled
Barrel: 20" BULL ,spiral 9.36 dia
Muzzle Device: threaded