50%
Knights Armament Barrel Retaining Nut for URX 2, URX3, URX 3.1 Handguards SR-15 Aluminum Matte
50%
Knights Armament AR-15 SR-15 CQB Mod 2 Pistol Upper Receiver Assembly 5.56x45mm 11.5" Barrel URX 4 M-LOK Handguard
100%
Knights Armament Combat Trigger Guard SR-15 Aluminum Black
50%
Knights Armament AR-15 SR-15 Carbine Mod 2 Pistol Upper Receiver Assembly 5.56x45mm 14.5" Barrel URX 4 M-LOK Handguard
50%
Knights Armament AR-15 SR-15 Mod 2 Upper Receiver Assembly 5.56x45mm 16" Barrel URX 4 M-LOK Handguard
50%
Knights Armament URX 4 Handguard with Integral Barrel Nut SR-15 Aluminum Black
50%
Knights Armament Match Trigger Group SR-15 Two Stage Black
