Knights Armament

Knights Armament Company

Knights Armament 32310 Upper Receiver Kit 300 Blackout 9.50" Black Barrel, Aluminum Black Receiver for SR-30 MOD 2

Knight's SR-30 E3 MOD 2 takes advantage of the .300 BLK, offering a 9.5" barrel for a significantly more transportable and maneuverable firearm. The QDC compatible Flash Hider will mount any of the KAC 7.62mm QDC suppressors. The SR-30 has 99% parts...

Knights Armament Company

Knights Armament 31962 Upper Receiver Kit 5.56x45mm NATO 16.10" Black Barrel, Aluminum Black Receiver, URX4 M-LOK Handguard for SR-15 MOD 2

Knight's SR-15 E3 Mod 2 series 5.56mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design both enhances function and increases bolt life far beyond the...

Knights Armament 31949 Upper Receiver Kit 5.56x45mm NATO 14.50" Black Barrel, Aluminum Black Receiver, URX4 M-LOK Handguard for SR-15 Carbine MOD 2

Knight's SR-15 E3 MOD 2 series 5.56mm NATO barrel is manufactured for military grade durability, and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design both enhances function and increases bolt life far beyond the...

Knights Armament Company

Knights Armament 31963 Upper Receiver Kit 5.56x45mm NATO 11.50" Black Barrel, Aluminum Black Receiver, URX4 M-LOK Handguard for SR-15 CQB MOD 2

Knight's Upper Receiver Kit, SR-15 CQB MOD 2, features a 5.56mm NATO 11.5" chrome lined barrel manufactured for military grade durability and is free-floated inside a URX4 M-LOK handguard. An improved E3 round-lug bolt design both enhances function and...