ACME Machine

Barrel: 7.5" Black NitrideTwist: 1:7Caliber: 5.56 Chamber7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 ACME Charging Handle    ...

Barrel: 7.5" 416R Stainless Steel ContourTwist: 1:7Caliber: 5.56 Chamber7" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 ACME Charging Handle...

This is our standard AR-15 Micro Gas Block. Designed with the minimum profile to fit under nearly any quad rail system, it snugly fits .875 diameter barrels. Features: Mil-Spec dimensions .875...

This is our standard AR-15 Micro Gas Block. Designed with the minimum profile to fit under nearly any quad rail system, it snugly fits .936 diameter barrels. Features: Mil-Spec dimensions .936...

This KeyMod Accessory Rail provides a 4-1/2" 9 slot section of mil-spec-M1913 Picatinny rail for the addition of tactical accessories. It was designed specifically for the slim type handguards, this...

This M-LOK Accessory Rail provides a 4-1/2" 9 slot section of mil-spec-M1913 Picatinny rail for the addition of tactical accessories. It was designed specifically for the slim type handguards, this...

Muzzle Jam Nut  5/8x24

Muzzle Jam Nut  1/2x36

Muzzle Jam Nut  1/2x28

Thread Protector 5/8x24 - .920 OD

Thread Protector 1/2x24 - .920 OD

Thread Protector 5/8x24 - .750 OD