Luth-AR 5.56mm Lightweight Complete Upper Barrel Receiver Assembly

Luth-AR 5.56mm Lightweight Complete Upper Barrel Receiver Assembly\n\nStarts with Luth-AR 5.56mm Lightweight barrel made from 4150 Chrome Moly with a 1-9 twist, mated to a Luth-AR A3 Flattop receiver which includes bolt carrier, charging handle, forward assist, and ejection port cover. The upper is topped off with a Lo-profile gas system and an ergonomic 15in Palm Handguard with KeyMod slots and a Picatinny top rail.\n\nSpecifications:\n- Caliber: 5.56x45mm NATO\n- Overall Length: 26 in\n- Barrel Length: 16 in\n- Barrel Profile: Light Weight\n- Gas System Length: Carbine Length\n- Barrel Twist Rate: 1-9\n- Threads per Inch: 1/2x28\n- Handguard Type: Free-Float\n- Muzzle Device: A2 Flash Hider\n- Finish: Manganese Phosphate\n- Color: Black\n- Gun Model: AR-15\n- Condition: New\n- Fabric/Material: 4150 Chrome Moly Vanadium, 4140 Chrome Moly\n- Gas Block Journal Size-Diameter: .750 in\n- Handguard Length: 15 in\n- Handguard Style: Round Rail\n- Gun Rail: KeyMod\n- Gun Make: AR Platform\n- Bolt Carrier Group Included: MIL-SPEC\n- Charging Handle Included: MIL-SPEC\n- Weight: 8 lb\n\nPackage Contents: Luth-AR 5.56mm Lightweight Complete Upper Barrel Receiver Assembly\n\nCompatibility: AR-15