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.
Additional information
UPC
758152900067
Manufacturer
Advanced Technology
Manufacturer Part Number
A5101020
Color
AR-15 / AR-10 CASTLE NUT
Length
5.1500
Product Type
Castle Nut
Model
AR-15
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