BCM CARBINE MILSPEC RECEIVER EXTENSION (BUFFER TUBE) 6 POSITION CBG-1056 ITW MASH hook

ITW MASH hook

- Customized rain cover

20-rd BB magazine

Constructed from reinforced

FULL AUTO BB AIR RIFLE

BCM CARBINE MILSPEC RECEIVER EXTENSION (BUFFER TUBE) 6 POSITION CBG-1056 ITW MASH hookor 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. Hard Coat Anodized per Mil A 8625F, Type III, Class 2. These tubes should be used with stocks such as USGI, BCM, Colt, LMT, SOPMOD, VLTOR, Stag Arms, Magpul CTR (Milspec), and others that a made to the Mil Spec size.