Description
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.
Sale!
Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black
Original price was: $6.65.$5.02Current price is: $5.02.
36 in stock
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