Components

Barrel: 16" 4150 Parkerized Heavy BarrelTwist: 1:14Caliber: 458 SOCOM12" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 458 / 450 Mil-Spec Bolt Carrier Group Nitride   *Picture might show optional accessories

This is a factory 25-round magazine for CMMG AR-15 .22 LR conversion kits With the same size and shape as a standard AR-15 magazine, these 25-round factory replacements feature steel internal springs and six hex-head screws for easy...

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:  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

Solid T6 Aluminum Body 1/2x36 Thread  Pushes Flash Forward Great For Use On AR15 Pistols 1.245" OD 3.25 OAL

This bolt carrier is manufactured from case hardened 8620 steel with properly staked 4130 steel gas key. The accompanying bolt is case hardened 9310 steel, shot peened, HPT and MPI tested, and finished in a self-lubricating polished black nitride. Bolt...

This ACME exclusive Made in USA handguard brings all the flexibility of KeyMod®, for those who prefer the lighter, sleeker look of a free floating handguard. This handguard is made of durable aircraft grade aluminum alloy, and finished with a long...

CMMG’s 5.7 AR Conversion Magazine holds 32 rounds of 5.7x28mm and fits in any standard AR15 lower receiver. To use, simply attach a CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver to an existing AR15 lower. Then, insert CMMG’s 5...

Barrel: 16" 416R Stainless Steel ContourTwist: 1:8Caliber: 6.5 Grendel12" 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

Aero Precision M5 (.308) lower parts kit helps you to build a custom .308 AR from the ground up. Mil- spec dimensions and coating ensure the highest quality and correct component interface. This lower parts kit does not include...

This ACME exclusive Made in USA handguard brings all the flexibility of M-LOK®, for those who prefer the lighter, sleeker look of a free floating handguard with the convenience of drop-in. This handguard is made of durable aircraft grade aluminum...

Barrel: 7.5" Parkerized 4150 Steel Heavy BarrelTwist: 1:10Caliber: 7.62x397" Free Float HandguardACME AR-15 Upper Receiver Tool Craft 7.62x39 Mil-Spec Bolt Carrier Group AR-15 Nitride *Picture might show optional accessories