Components

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...

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...

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...

The AM-15 Lower Receiver delivers, custom-designed enhanced billet receiver is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades, this custom-engineered design provides features that challenge much...

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:  BA 20" .350 Legend DMR Carbine Length Barrel, Performance SeriesCaliber: 350 Legend17" Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 SKU BABL350003FLength 20"Material 4150 Chrome Moly...

Barrel:  BA 18" .350 Legend SPR Carbine Length Barrel, Performance SeriesCaliber: 350 Legend17" Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 SKU BABL350002FLength 18"Material 4150 Chrome Moly...

Barrel:  BA 16" .350 Legend BA Hanson Carbine Length Performance SeriesCaliber: 350 Legend12" Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 SKU BABL350001FLength 16"Material 4150 Chrome Moly VanadiumProfile...

Made from 7075 T6 aluminum forgings machined to final dimensions. Correct early-style carry handle contours, no shell deflector, no forward assist, A1-pattern rear sight housing. All points where other parts attach are finished current mil-spec...

Barrel:  Bear Creek 20" Stainless Caliber: .30817" Super Slim Free Float HandguardACME AR-308 Nickle Boron Bolt Carrier Group   *Picture might show optional accessories

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:  20" Stainless SteelCaliber: 350 Legend17" KeyMod Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel:  16" Stainless SteelCaliber: 350 Legend12" KeyMod Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *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:  10.5" ParkerizedCaliber: 350 Legend7" KeyMod Super Slim Free Float Handguard5.56 Mil-Spec Bolt Carrier Group AR-15 Nitride C158 *Picture might show optional accessories

Barrel:  Ballistic Advantage 24" Premium StainlessCaliber: 6.5 Creedmoor ChamberSuper Slim Free Float HandguardACME AR-308 Nickle Boron Bolt Carrier Group Premium Series Barrels are machined from 416 Stainless Steel and feature a bead blasted finish...

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...