This mil-spec AR-15, M16, M4 carbine receiver extension buffer tube assembly kit features a MIL-SPEC diameter, 6-position buffer tube, carbine recoil buffer, spring, steel end plate, and castle nut. This kit is contains all the necessary parts to mount your Mil-Spec dimension stock to your lower receiver. The AR-15 buffer tube in this kit is precision machined to exacting Mil-Spec standards to provide an excellent fit and reliable function on your AR15 rifle. This mil-spec diameter buffer tube is made from T6 aluminum, Military type III, hard anodized matte black and is intended for use with mil-spec adjustable carbine stocks such as USGI, BCM, Colt, LMT, SOPMOD, VLTOR, Stag Arms, Magpul CTR, and others that are made to Mil-Spec dimensions. Made in the USA with a limited lifetime warranty.
Military Type III Anodized T6 Aluminum
6 Position Buffer Tube Mil-Spec dia.
Carbine Buffer Spring
Carbine Recoil Buffer
Steel End Plate