Grid Defense Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Burnt Bronze

Grid Defense Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Burnt Bronze. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for a durable structure at a lighter weight. Every Grid Defense 5.56x45mm NATO Upper Receiver comes with an M-LOK free float handguard that accepts compatible accessories and doesn't interfere with your barrel. Craft a top-shelf weapon with the help of this Grid Defense 5.56 AR Upper Receiver. Specifications for Grid Defense 5.56 Upper Receiver: Manufacturer: Grid Defense Caliber: 5.56x45mm NATO Barrel Profile: 4150 Steel M4 Barrel Twist Rate: 1-7 Handguard Type: Free-Float Gun Model: AR-15 Fabric/Material: 4150 Steel Gas Block Journal Size-Diameter: .750 in Handguard Style: Thin Rail Gun Rail: M-LOK Gun Type: Rifle Gun Make: AR Platform Weight: 3.3 lb Bolt Carrier Group Included: No Charging Handle Included: No Magazine Included: No Condition: New Mount Type: M-LOK Features of Grid Defense 5.56 Upper Receiver: Chambered in 5.56x45 NATO 7075-T6 Milspec Upper Receiver 1:7 Twist Barrel - Black Nitride A2 Flash Hider/Dimpled Flash Can Package Contents: Grid Defense 5.56 Complete Upper Receiver What firearm models does the manufacturer say Grid Defense 5.56 Upper Receiver is compatible with? The manufacturer says that Grid Defense 5.56 Upper Receiver is compatible with AR-15Grid Defense GD105E9GFR556BB: Complete Upper Receiver 5.56mm 10.5 inch Carbine Length 4150 Steel M4 Barrel 1-7 Twist A2 Flash Hider Burnt Bronze