On Gun & Other Accessories

.625 Gas Block Diameter. M4 feedramps. Mid-Length Direct Impingement Gas System. Combat Series M-LOK Handguard. MI A2 Flash Hider.

Genuine replacement barrel for the 11.5" 556 MCX SPEAR LT. Complete with barrel and gas block assembly. First Responder Firearm - For First Responder Purchase ONLY

This is a brand new Sig Sauer MCX Spear Genuine replacement barrel for the 16" 5.56 MCX-SPEAR LT. Complete with barrel and gas block assembly. First Responder Firearm - For First Responder Purchase ONLY

1/7 Twist, 4150 Chrome Moly. M4 feedramps. Carbine Length Direct Impingement Gas System. Combat Series M-LOK Handguard. MI Blast Can Installed.

SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange...

Made by Bravo Company MFG, Inc. (BCM) These Barreled Upper Receiver Groups are designed for shooting professionals with the Mil-Spec features for the demands of their duty. They are fully assembled, headspaced, and test fired.

The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut from billet 7075-T6 aluminum and assembled with dust...