MCX

Sig Sauer, MCX-Spear LT, Complete Upper Receiver, 300 Blackout, 9" Threaded Barrel, 5/8X24 Thread Pitch, Fits AR-15 Lower Receivers, Anodized Finish, Flat Dark Earth, Includes Charging Handle and Bolt Carrier Group, 3-Prong/SIG Suppressor QD Muzzle...

SIG MCX-SPEAR LT 6.75" AR CONVERSION KIT 300BLK-BLACK This complete kit will convert any MIL-SPEC AR-15/M4 Lower into the top-performing MCX-SPEAR LT. Included items: Complete 6.75" 300BLK upper assembly includes our removable 3-prong flash-hider ready...

Forward Controls Design ACF-MCX Charging Handle - FDE  ACF-MCX is compatible only with SIG Virtus, MCX Spear, Spear LT, and Rattler (5.56mm, 300 Blackout, 7.62x39mm only), it will not work on TDP spec AR15 and M16, or MPX.   The forward...

Forward Controls Design ACF-MCX Charging Handle - Black  ACF-MCX is compatible only with SIG Virtus, MCX Spear, Spear LT, and Rattler (5.56mm, 300 Blackout, 7.62x39mm only), it will not work on TDP spec AR15 and M16, or MPX.   The forward...

The Samson Picatinny Side Folding Stock Adapter is a robust and versatile solution for shooters seeking superior adaptability and precision. Designed to seamlessly integrate with a variety of platforms, this stock adapter ensures a secure and stable...

The Samson Picatinny Side Folding Stock Adapter is a robust and versatile solution for shooters seeking superior adaptability and precision. Designed to seamlessly integrate with a variety of platforms, this stock adapter ensures a secure and stable...

The Patent Pending Arisaka Zero Retention Clamp (ZRC) greatly reduces zero shift for lasers and iron sights that are mounted on the handguard of the MCX Virtus and Spear LT. This version is designed for the MCX Virtus chambered in 5.56 and 300BLK, and...

SIG MCX-SPEAR LT 9" AR CONVERSION KIT 300BLK-BLACK This complete kit will convert any MIL-SPEC AR-15/M4 Lower into the top-performing MCX-SPEAR LT. Included items: Complete 9" 300BLK upper assembly includes our removable 3-prong flash-hider ready to...

MCX-SPEAR LT 11.5 AR CONVERSION KIT 5.56 NATO-BLACK This complete kit will convert any MIL-SPEC AR-15/M4 Lower into the top-performing MCX-SPEAR LT. Included items: Complete 11.5" 5.56 NATO upper assembly includes our removable 3-prong flash-hider...

Arisaka Defense MCX Zero Retention Clamp - LT Standard Handguard The Patent Pending Arisaka Zero Retention Clamp (ZRC) greatly reduces zero shift for lasers and iron sights that are mounted on the handguard of the MCX Virtus and Spear LT. This...

Radian Weapons Raptor Charging Handle For Sig MCX High quality components and precise manufacturing make Radian parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years...

Triad Bullpup Chassis - Polymer The TRIAD Modular Bullpup Chassis is designed to house a standard Mil-spec AR receiver internally. Using a bufferless upper receiver, it converts your traditional AR into a Bullpup configuration. It is important to...