Quick view Details ATI | sku: A5101020 Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black MSRP: Was: Now: $11.62 Add to Cart Compare
Quick view ATI | sku: A5101020 Advanced Technology A5101020 AR-15 Castle Nut Mil-Spec Steel Black 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. MSRP: Was: Now: $11.62 Add to Cart Compare