KAK Industry Castle Nut Multi-Tool for AR-15, 4140 Steel, Phosphate Finish, Black MSRP: Was: Now: $10.80 Choose Options
LBE Unlimited ARBNT308 Barrel Nut for AR-10, 4130 Steel Black Phosphate Finish MSRP: Was: Now: $15.28 Choose Options
LBE Unlimited ARLPLT Receiver End Plate Steel Black Phosphate AR-15 MSRP: Was: Now: $3.92 Choose Options