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Only the items listed as "Gunbroker" or "GB" are in the physical store. The rest of the items from the menu are at the warehouse. Items not in store inventory take about two 3 days to get in.

If you have questions please call. All ammo listed in stock is in store and ready to ship.


CMMG Receiver Extension Kit AR-15 55CA6C7

Product Code : 815835017389


Mfg Item #: 55CA6C7

Available Online
Secure online ordering

Combine this kit with your choice of lower parts kit and butt stock to complete your new lower group. - CMMG 6 Pos Receiver Extension - Carbine Buffer Assembly - Carbine Action Spring

Determined at checkout.