Internal Parts

CORE® Black Nitride Gas Tubes

CORE® Adjustable Gas Block

CORE® Stressproof® Barrel nut

CORE® .625 Low Profile Gas Block

Mil-Spec Delta Assembly with CORE® Barrel Nut

C30 Ejection Port Assembly

Ejection Port Assembly Kit

AR15 Forward Assist Assembly Kit

CORE® One Ring Gas Ring

6.5 Grendel Bolt - Nitride finish