AR-15 Barrel Mounting Shims (4)

AR15 barrel nut shim for free float handguard/quad rail. • Helps improve torque, timing, indexing, alignment of barrel nut • This 0.32mm stainless steel shim fits between the barrel nut and upper...

EABCO AR-15 22LR Accuracy Barrel®, Stainless 16.695" Convert your stock AR-15 to match grade 22LR accuracy with our AR-15 22LR Accuracy Barrel® and the CMMG dedicated 22LR AR-15 Bolt. Mat

CMMG 6mm ARC Barrel...Medium Taper 16 inch 6mm ARC barrel fits AR-15 platform. Experience Hornady’s new 6mm ARC (Advanced Rifle Cartridge) by utilizing CMMG’s dedicated 6mm ARC barrel sub-assembly on...

CMMG 6.5 Grendel Barrel...Medium Taper 16 inch 6.5 Grendel barrel fits AR-15 platform. Upgrade your AR-15 ballistics by utilizing CMMG’s dedicated 6.5 Grendel barrel sub-assembly on your next build...

AR-15 Mil Spec Barrel Nut- Standard Military Spec AR-15 Barrel Nut, fits all Mil Spec AR-15 Barrels and Uppers. Inside dia. 1.08''. Shims available separately.