All Rifles, Handguns, Optics, and Ammunition Sales are Final. -- (All guns are custom built to order and can take 2-18 Months)
Mfg Item #: A5101020
This steel AR-15 castle nut is virtually indestructible and works with commercial, military, and hybrid buffer tubes. It fits most AR-15s and AR variants, but it is not compatible with 308 rifles.