Aero Precision AR15 Pistol Carbine Buffer TUBE AR-15 Extension
The Enhanced Pistol Tube features a slot in the threads to allow use of a standard end-plate and castle nut.
Made In America Yes
Weight (oz) 3.8 oz
Specs:
Fits standard AR15 and M5 (.308) lower receivers
7075 Aluminum
Tube only (no endplate/buffer/spring)
Uses a stardard end-plate and standard castle nut