ACME Machine Products

FEATURED AT THE NRA WORLD SHOOTING CHAMPIONSHIP FOR THE AMERICA'S RIFLE CHALLENGE STAGE10 Years in the making to bring you the best valued, reliable AR available. Manufactured and assembled in the midwest including Indiana and Ohio. All of ACME Machine's...

This 5.56 chambered 16" M4 Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. Quench Polish Quench (QPQ) is a specialized type of nitrocarburizing case hardening...

Build your own AM-15 with proven and reliable ACME Machine products. These kits are available with and without lower receivers. Manufactured and assembled in the midwest including Indiana and Ohio. All of ACME Machine's production parts are manufactured...

5/8"  Steel Crush Washer

AR15 1/2"  Stainless Steel Crush Washer

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: 1/2"x 28" Length: 2...

Our custom TPI Competition 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: 5.56mm NATO Thread Pitch: 1/2"x 28"...

10 Years in the making to bring you the best valued, reliable AR available. Manufactured and assembled in the midwest including Indiana and Ohio. All of ACME Machine's production parts are manufactured in the USA.Featured Components IncludedACME Machine...

Barrel: 16" 416R Stainless Steel M4 ContourTwist: 1:7Caliber: 5.56 Chamber15" Free Float HandguardACME AR-15 Upper Receiver 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 10.5" 416R Stainless Steel M4 ContourTwist: 1:8Caliber: 5.56 Chamber10" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: 10.5" 4150 Parkerized M4 ContourTwist: 1:7Caliber: 5.56 Chamber10" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

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     *Picture might show optional accessories

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   *Picture might show optional accessories

Our custom TPI Competition 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: 5.56mm NATO Thread Pitch: 1/2"x 28"...

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: 1/2"x 28" Length: 2...

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...

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...