5.56 QDC Suppressor Type: Suppressor Country of origin: United States Weight: 16.7 oz ( Length: 6.5 in (165 mm) NSN: 1005-01-627-4080 Related Posts United States Air Force United States Air Force United States Marine Corps United States Marine Corps Magpul SL Carbine Stock Magpul SL Carbine Stock Knight Armament 5.56 mm ODSS NT 4 Knight Armament 5.56 mm ODSS NT 4 5.56QDC/CQB Suppressor 5.56QDC/CQB Suppressor