Milspec Carbine Receiver Extension (Buffer Tube) 6 Position
$46.74
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Milspec Carbine Receiver Extension (Buffer Tube) 6 Position For your AR15, M16, M4. Carbine receiver extension (buffer tube) 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.
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