Luth-AR A3 Complete Upper Receiver Assembled 16in Lightweight Barrel 5.56mm 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ Key MOD Palm Handguard Black

Luth-AR A3 Complete Upper Receiver Assembled 16in Lightweight Barrel 5.56mm 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ Key MOD Palm Handguard Black. 5? M4 SOCOM profile barrel with F Marked Front Sight Base 5.56mm made from 4150 CMV steel with a 1-7? twist mated to our A3 Flattop receiver which includes our bolt carrier charging handle forward assist and ejection port cover. Specifications for Luth-AR A3 Complete Upper Receiver Assembled: Manufacturer: Luth-AR Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Firearms Threads Per Inch: 1/2x28 Muzzle Device: A2 Flash Hider Finish: Anodized Color: Black Gun Model: AR-15 Fabric/Material: Aluminum Steel Gas Block Journal Size-Diameter: .750 in Gun Rail: Picatinny Gun Make: AR Platform Barrel Material: 416R Stainless Steel Weight: 8 oz Magazine Included: No Country of Origin: USA Package Contents: Luth-AR A3 Complete Upper Receiver Assembled HG-A2 - 2-Piece CAR style Handguard BL-F14-7 - 14.5in M4 SOCOM Profile Barrel with F marked Front Sight Base FTT-EA1 - A3 Upper Receiver Assembled BC-A-223 - Fully Assembled Bolt Carrier - 5.56mm BL-04A - Carbine Gas Tube BL-750F 750 F Marked Front Sight Base UR-19 - Charging Handle BL-06-A2 - A2 Flash Hider What firearm models does the manufacturer say Luth-AR A3 Complete Upper Receiver Assembled is compatible with? The manufacturer suggests that Luth-AR A3 Complete Upper Receiver Assembled is compatible with AR-15Luth-AR BA-L16-7: A3 Complete Upper Receiver Assembled 16in Lightweight Barrel 5.56mm 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ M-LOK Palm Handguard Black