Components

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...

The SI Barrel Thread Protector is a machined aluminum thread protector that adds a degree of customization and aesthetics to protect your crown and threads. Whether you are still deciding on a muzzle device for your AR (5.56/.223), want to evaluate the...

The SI Barrel Thread Protector is a machined aluminum thread protector that adds a degree of customization and aesthetics to protect your crown and threads. Whether you are still deciding on a muzzle device for your AR (5.56/.223), want to evaluate the...

The SI Barrel Thread Protector is a machined aluminum thread protector that adds a degree of customization and aesthetics to protect your crown and threads. Whether you are still deciding on a muzzle device for your AR (5.56/.223), want to evaluate the...

The SI Barrel Thread Protector is a machined aluminum thread protector that adds a degree of customization and aesthetics to protect your crown and threads. Whether you are still deciding on a muzzle device for your AR (5.56/.223), want to evaluate the...

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. This handguard is made of durable aircraft grade aluminum alloy, and finished with a long...

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...

This .223 Wylde chambered 18 inch barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. Featuring functionally aggressive flutes and...

The New Gen2 Sound Mitigation Buffer™ SMB ™ is a single-stage drop-in replacement for your standard buffer and spring. The Sound Mitigation Buffer ™ is designed to keep the buffer spring from rubbing against the inner wall of the...

The New Gen2 Sound Mitigation Buffer™ SMB ™ is a single-stage drop-in replacement for your standard buffer and spring. The Sound Mitigation Buffer ™ is designed to keep the buffer spring from rubbing against the inner wall of the...

The New Gen2 Sound Mitigation Buffer™ SMB ™ is a single-stage drop-in replacement for your standard buffer and spring. The Sound Mitigation Buffer ™ is designed to keep the buffer spring from rubbing against the inner wall of the...