ACME Machine Products

Barrel: 16" 4150 Black Nitride M4 ContourTwist: 1:7Caliber: 5.56 Chamber15" Free Float HandguardACME AR-15 Upper Receiver *Picture might show optional accessories

A2 Birdcage Flash Hider is designed to reduce muzzle flash on a standard 1/2"x 28" threaded barrel. The A2 Birdcage Flash Hider is a great way to add a custom look to your barrel. Specifications: Caliber: 5.56mm NATO Thread Pitch: 1/2"x 28" Length: 1...

1/2"   Steel Crush Washer

This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is Carpenter 158, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt lugs are CNC...

Our custom compensator muzzle brake is designed to be sleek and effective. It has a total of 8 ports to redirect pressure, resulting in less muzzle rise and overall recoil. Specifications: Caliber:  Thread Pitch: 5/8"x 24" Length: 2...

ACME Machine has been in business since 1976 crafting highly precise components. All ACME BCG parts are of the highest quality and 100% made in America. ACME has taken their line of precision AR components and added a Nickel Boron coating to provide...