For your next custom AR15, M16, M4 build, you need our retro-fit kit. This carbine receiver extension (buffer tube) is machined from 7075 T6 Aluminum and manufactured to Mil-Spec dimensions and specifications. The finish is 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.
The Super-Stoc Kit Includes:
- Receiver Extension
- Receiver End Plate
- Receiver Castle Nut
- Standard Carbine Buffer
- Carbine Buffer Spring
- For AR15 only (not compatible with AR10)