AR15 Mil-Spec Buffer Tube - MADE IN USA (Lower Receiver Extension Tube) Aluminum, 1.14" OD, Black .223/5.56

AR15 Lower Receiver Extension Buffer Tube - MIL SPEC      Model: UB_ASBT04

** Made in USA **

6 adjustable positions for attaching to an adjustable Mil-Spec buttstock stock.  For AR-15.

Extended threads to make install very easy (castle nut can be moved right back / out of the way).

- Precisely CNC machined
- 6061-T6 Aluminum
- Use with adjustable butt stocks that are designed for Mil-Spec diameter buffer tubes (1.14"). 

Compatible with:

AR15 223 Mil-Spec Polymer Buttstock Stock - Black (AAST06)

AR15 Mil Spec Adjustable Buttstock