ACME Machine

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...

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: ...

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...

Barrel: 16" 416R Stainless Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster12" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride *Picture might show...

Barrel: 10.5" 416R Stainless Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster7" Free Float HandguardACME AR-15 Upper Receiver  Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride *Picture...

Barrel: 18" 416R Stainless Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster17" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride   *Picture...

Barrel: 18" 4150 Parkerized Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster17" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride    ...

Barrel: 16" 4150 Parkerized Heavy BarrelTwist: 1:24Caliber: 450 Bushmaster12" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride    ...