ACME Machine Products

This ACME Machine 16 inch .22 LR Pencil barreled upper is great for easy conversion to a dedicated .22LR setup and works with CMMG or most .22LR components. This is the only 22LR lightweight barrel available at a reasonable price. These barrels...

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...

Barrel: Ballistic Advantage 18" 6.5 Grendel SPR Rifle Length AR 15 Barrel, Premium Black SeriesModel: BABL65G003PQTwist: 1:8Caliber: 6.5 Grendel Type II17" Free Float HandguardACME AR-15 Upper ReceiverTool Craft 6.5 Mil-Spec Bolt Carrier Group...

Barrel: BA 18" .223 Wylde SPR Stainless Steel Rifle Length AR 15 Barrel w/ Ops 12, Premium Black SeriesModel: BABL223021PQTwist: 1:8Caliber: .223 Wylde17" Free Float HandguardACME AR-15 Upper ReceiverACME 5.56 Mil-Spec Bolt Carrier...

Barrel:  Bear Creek 18" Nitride FlutedCaliber: 6.5 Creedmoor Chamber17" Super Slim Free Float HandguardACME AR-308 Nickle Boron Bolt Carrier Group   *Picture might show optional accessories

Barrel: 18" 416R Nitride FlutedTwist: 1:8Caliber: 6.5 Grendel17" Free Float HandguardACME AR-15 Upper Receiver ACME Charging Handle Tool Craft 6.5 Mil-Spec Bolt Carrier Group AR-15 Nitride *Picture might show optional accessories

Barrel: Ballistic Advantage 18" Hansen Stainless Steel, Premium SeriesTwist: 1:8Caliber: .223 Wylde17" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nickel Boron C158   Premium Series Barrels are machined...

Barrel: 16" 416R Stainless Steel M4 Contour Barrel Twist: 1:8Caliber: .223 Wylde12" 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: Ballistic Advantage 18" SPR Stainless Steel, Premium SeriesTwist: 1:8Caliber: .223 Wylde17" Free Float HandguardACME AR-15 Upper Receiver ACME 5.56 Mil-Spec Bolt Carrier Group AR-15 Nickel Boron C158   Premium Series Barrels are machined...

Barrel: Ballistic Advantage 16" SPR Stainless Steel, Premium SeriesTwist: 1:8Caliber: 6.5 Grendel Type II12" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 6.5 Mil-Spec Bolt Carrier Group AR-15 Nitride  Photo is stock photo this upper will...

Barrel:  18" NitrideCaliber: 350 Legend12" Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel: Ballistic Advantage 18" SPR Stainless Steel, Fluted Premium SeriesTwist: 1:8Caliber: 6.5 Grendel Type II17" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 6.5 Mil-Spec Bolt Carrier Group AR-15 Nitride     Premium Series...

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:  Ballistic Advantage 18" Premium Fluted StainlessCaliber: 6.5 Creedmoor Chamber17" Super Slim Free Float HandguardACME 7.62 Mil-Spec Bolt Carrier Group AR-308 Nickel Boron Premium Series Barrels are machined from 416 Stainless Steel and...

Barrel: 18" Ballistic Advantage Premium Fluted SeriesTwist: 1:10Caliber: 7.62x5117" Free Float HandguardACME AR-10 Upper Receiver ACME 7.62 Mil-Spec Bolt Carrier Group AR-308 Nitride Premium Series Barrels are machined from 416 Stainless Steel and...

Barrel: 18" Ballistic Advantage Premium SeriesTwist: 1:10Caliber: 7.62x5117" Free Float HandguardACME AR-10 Upper Receiver ACME 7.62 Mil-Spec Bolt Carrier Group AR-308 Nickel Boron Premium Series Barrels are machined from 416 Stainless Steel and feature...

Barrel: 18" Ballistic Advantage Modern SeriesTwist: 1:10Caliber: 7.62x5117" Free Float HandguardACME AR-10 Upper Receiver ACME 7.62 Mil-Spec Bolt Carrier Group AR-308 Nitride Modern Series Barrels are machined from 4150 Chrome Moly Vanadium Steel and...

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 might show optional accessories

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     *Picture might show optional accessories

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     *Picture might show optional accessories