Components

High quality components and precise manufacturing make Fortis parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features :Precise...

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

ODIN Works Ambidextrous Modular Safety is designed to give you better control through a more ergonomic angle. Configurable up to 8 different orientations featuring the 90 and 45 degree selector barrel.

ODIN Works Ambidextrous Modular Safety is designed to give you better control through a more ergonomic angle. Configurable up to 8 different orientations featuring the 90 and 45 degree selector barrel.

ODIN Works Ambidextrous Modular Safety is designed to give you better control through a more ergonomic angle. Configurable up to 8 different orientations featuring the 90 and 45 degree selector barrel.

CMMG Barrel and Bolt Group Kit, 16.1" 5.7x28mm The 5.7x28mm Barrel and BCG Kit allows you to build an AR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike typical direct blowback systems, Radial Delayed Blowback...

CMMG Barrel and Bolt Group Kit, 8" 5.7x28mm The 5.7x28mm Barrel and BCG Kit allows you to build an AR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike typical direct blowback systems, Radial Delayed Blowback not...

CMMG Barrel and Bolt Group Kit, 16.1" 5.7x28mm The 5.7x28mm Barrel and BCG Kit allows you to build an AR in 5.7x28mm using CMMG’s patented Radial Delayed Blowback operating system. Unlike typical direct blowback systems, Radial Delayed Blowback...

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, 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...

Barrel: Ballistic Advantage 20" SPR Stainless Steel, Fluted Premium SeriesTwist: 1:8Caliber: 6.5 Grendel Type II17" KeyMod Free Float HandguardACME AR-15 Upper Receiver Tool Craft 6.5 Mil-Spec Bolt Carrier Group AR-15 Nitride     Premium Series...

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: 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...

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...