WIL Super-Stoc Retro-Fit Kit Super-Stoc Retro-Fit Kit For your next custom AR15, M16, M4 build. Carbine receiver extension (buffer tube) machined from 7075T6 and manufactured to Mil-Spec dimensions and specifications. 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 are made to the Mil-Spec size. Kit includes: Receiver extension, receiver end plate, receiver castle nut, standard carbine buffer and carbine buffer spring. More Information Condition New in Box Manufacturer Wilson Combat Manufacturer Part Number TR-SUPERSTOC-K Model Super-Stoc Retro-Fit Kit Type Buffer Tubes UPC 811826021793
