BCM MK2 Receiver Extension for your AR15″ M16″ M4. Machined from 7075T6 and manufactured to Mil-Spec dimensions and specifications. Mil-Spec receiver extensions have a slightly smaller dimension where the stock slides on. *NOTE* These buffer tubes require a rifle action spring and specific BCM MK2 buffer, carbine and rifle buffers will NOT work.
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Looking for the best prices on BCM MK2 RECEIVER EXTENSION by Bravo Company Mfg / BCM? Big Mike’s Guns and Ammo proudly serves Fallon, Carson City, Sparks, Reno, and beyond with unbeatable pricing, expert service, and exclusive rewards.
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