CMMG Dissent MK4 300 Blackout 10.5" Upper Receiver Assembly, Armor Black - 30BC239AB

Complete AR-platform upper receiver assembly in 300 Blackout with a 10.5" barrel featuring a left-side charging handle and zeroed linear compensator. Includes a 9.60" M-LOK handguard with Picatinny end plate for rail attachment and accessory mounting. This upper is ready to install on any mil-spec AR-15 lower receiver.