Our 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.
Hard Coat Anodized per Mil-A-8625F, Type III, Class 2
These tubes should be used with stocks such as USGI, BCMGUNFIGHTER™, Colt, LMT, SOPMOD, VLTOR, Stag Arms, and others that a made to the Mil-Spec size.
THESE RECEIVER EXTENSIONS CAN ALSO BE USED ON MOST AR-10s.
*NOTE* These buffer tubes require a M16 rifle action spring and specific BCM MK2 buffer, carbine and rifle buffers will NOT work.
Additional information
| Weight | 8 oz |
|---|---|
| Dimensions | 10 × 2 × 2 in |
2 reviews for BCM MK2 Receiver Extension
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mo (verified owner) –
Really nice receiver extension. Rolled threads, good anodization, plus the Interior is dry film lubed.
bennetteaton914 (verified owner) –
Great quality buffer tube