Components

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...

Features- SI-Ambush low profile mounting system.- Left or Right 45 degree offset and traditional inline capabilities in one unit.- Tool-less dial adjustments for windage and elevation.- Steel and Aircraft Aluminum construction.- Reversible for left or...

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: Ballistic Advantage 16" SPR Stainless Steel, Fluted 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     Premium Series...

ODIN Works is always looking for new ways to make your build as customizable as possible to fit you, the shooter. This adjustable buffer does just that. Available to fit AR-10, AR-15 and 9mm platforms, each buffer also comes with multiple weights to...

ACME is now offering replacement components for the that are made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series platforms. These parts are perfect for upgrading...

ACME is now offering replacement components for the that are made to strict military specifications. These high quality components will provide excellent fit and reliable function in your AR series platforms. These parts are perfect for upgrading...

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:  18" Stainless SteelCaliber: 350 Legend17" Hive 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...

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 .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 SI JCOMP Gen2 is the classic Type 89 compensator re-engineered and updated for the 21st century.  Due to end user feedback, the favorite features of the original are retained, but the J Comp now features increased muzzle rise compensation...

The Strike Industries Oppressor represents the next evolution in concussion reduction devices.  Typical concussion reduction devices simply sleeve the brake, with a simple open end to redirect gasses. The OPRESSOR is compatible with the SI muzzle...

The Strike Industries Triple Crown-Comp features a three-chamber design, which was engineered to reduce felt recoil and help reduce muzzle rise with the top gas ports.  To top it off, the TC-Comp features ane aggressive crowned leading edge to be...

The Strike Latchless Charging Handle represents yet another step forward for the AR 15. Simple in its execution, yet robust and reliable, the revolutionary Strike Latchless Charging Handle offers forged 7075 construction, efficient side gas venting, and...

The Strike Latchless Charging Handle represents yet another step forward for the AR 15. Simple in its execution, yet robust and reliable, the revolutionary Strike Latchless Charging Handle offers forged 7075 construction, efficient side gas venting, and...