Transfer fees are waived on all firearms purchased through our website!
Transfer fees are waived on all firearms purchased through our website!
CMMG Carbine Receiver Extension, Black, Mk4, 55CA9D7
The CMMG AR-15 MK4 Carbine Length Receiver Extension is the perfect must have accessory for your next AR-15 build. The CMMG tube is constructed from high quality aluminum and features a hard coat anodized matte black finish.