2A Armament

The 8 .300BLK complete upper receiver offers the end user an assembled system that is ready for lightweight needs. Each assembled upper starts with a BALIOS-lite stripper upper receiver. We then add our titanium gas block on the appropriate length barrel and finish the assembly with our 7 BL-RAIL and titanium barrel nut. These uppers are perfect for those who are looking to do a suppressed .300BLK build. Our full mass carrier is included as well as a BCM-Mod4 charging handle. - Barrel Material: 4150 Chrome Moly Vanadium - Twist Rate: 1:7 inches - Finish: QPQ Nitride - Muzzle 5/8 x 24 thread - Carrier: Full mass QPQ Nitride body and gas key Stainless tail - Bolt: 9310 QPQ Nitride body and extractor Cryo'd MP tested - 7075 enhanced charging handle BCM-Mod - Total Weight: (2LBS 10.5oz M-LOK) (2LBS 10.7oz KeyMod) - Does not include a muzzle device