Starts with Luth-AR 5.56mm Lightweight barrel made from 4150 Chrome Molly with a 1-9 twist mated to Luth-AR A3 Flattop receiver which includes bolt carrier, charging handle, forward assist and ejection port cover. The upper is then topped off with Luth-AR Lo-profile gas system and ergonomic 15in Palm Handguard with KeyMod slots and a Picatinny top-rail. Specifications for Luth-AR 5.56mm Lightweight Complete Upper Barrel Receiver Assembly: Manufacturer: Luth-AR Cartridge: 5.56x45mm NATO Gas System Length: Carbine Length Barrel Twist Rate: 1-9 Threads per Inch: 1/2×28 Muzzle Device: A2 Flash Hider Finish: Manganese Phosphate Color: Black Gun Model: AR-15 Condition: New Fabric/Material: 4150 Chrome Molly Vanadium Gas Block Journal Size-Diameter: .750 in Gun Rail: KeyMod Weight: 8 lb Magazine Included: No Features of Luth-AR AR-15 11.5in Lightweight Complete Upper Barrel Assembly Available in 11.5 inch 5.56 mm 4150 Chrome Moly Threaded Barrel – Thread Pitch 1/2 x 28 Gas Block Diameter .750 Gas Tube Length – Carbine 1-9 RH Barrel Twist 6 Lands and Groves M4 Feed Ramp Button Broached Package Contents: Luth-AR 5.56mm Lightweight Complete Upper Barrel Receiver Assembly
2 reviews for Luth-AR 5.56mm Lightweight Complete Upper Barrel Receiver Assembly
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GJ –
I bought this Luth-AR complete upper and was very impressed with the quality, feel, and look of this receiver. Just holding it you can tell how much care went into machining and assembling this solid product. If only they offered this as a piston option as well. Overall, great addition to my pistol build.
Big Jake –
Very nice. Trim. Sturdy. Compact. Does what it says. Accurate. Truck gun, my friend. Direct impingement setup right out of the box. If it had ONE drawback, it's only that the BARREL NUT will NOT accommodate a gas-piston upgrade. That's the only drawback. 100% for a rapid build . Recommend!