Luth-AR Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/

Luth-AR Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/. 223 Caliber fluted bull barrel made from 416 SST 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 .223 Complete Upper Receiver Assembly: Manufacturer: Luth-AR Caliber: .223 Remington Barrel Profile: Bull Barrel Twist Rate: 1-9 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Silver Gun Model: AR-15 Fabric/Material: 416 Stainless Steel Gas Block Journal Size-Diameter: .936 in Handguard Length: 15 in Handguard Style: Round Rail Gun Rail: KeyMod Gun Make: AR Platform Barrel Material: 416R Stainless Steel Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Condition: New Country of Origin: USA Features of Luth-AR AR-15 Fluted Bull Barrel Complete Upper Barrel Assembly .223 Rem 416 SS Threaded Barrel - Thread Pitch 1/2 x 28 Gas Block Diameter .936 Gas Tube Length - 16 inch Carbine 18 inch 20 inch and 24 inch are Rifle 1-9 RH Barrel Twist 6 Lands and Groves M4 Feed Ramp Button Broached Package Contents: Luth-AR .223 Complete Upper Receiver Assembly What firearm models does the manufacturer say Luth-AR .223 Complete Upper Receiver Assembly is compatible with? The manufacturer says that Luth-AR .223 Complete Upper Receiver Assembly is compatible with AR-15Luth-AR FTBL-B18: Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny M-LOK A2 Flash Hider Anodized Manganese Phosphate Silver/ Black