CMMG 6-Position adjustable Mil-Spec Receiver Extension (Buffer Tube) kit includes everything needed to complete your AR's buffer system. Just add the mil-spec diameter carbine stock or brace of your choice. Made from aluminum with a matte black hard coat anodized finish.
Ar15 Carbine Receiver Extension Kit
CMMG
Gun Stuff/Rifle Parts/Buffer Tubes / Kits / Buffers / Parts
$74.99
CMMG-55CA6C7
815835017389
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