Luth-Ar AR-15 16'' LO-DRAG BULL UPPER RECEIVER FF HG 1-7 FTBL-LDC7

Starts with the Luth-AR 16″ Lo-Drag, Classic Bull Barrel, made from 4150 CMV with a 1-7″ twist mated to their Lo-Drag flattop receiver which includes the Luth-AR bolt carrier and charging handle. The Free Float version features the Lo-Drag Palm handguard which includes the Luth-AR bolt carrier and charging handle.

Upper Specs:

• 6061-T6 Extruded material
• Hard coat anodize Black

Bolt Specs:

• Bolt: Carpenter 158
• Extractor: 4140 Alloy steel
• Army Spec Heat Treatment
• Manganese Phosphate

Bolt Carrier Specs:

• Carrier: 8620 steel
• Cam pin: 4340 Alloy steel
• Carrier key: 4130 Alloy steel
• Army Spec Heat Treatment
• Manganese Phosphate

Barrel Specs:

• Lo-Drag Target Crown Bull Barrel 16″
• Available in 16″
• 5.56
• 4150 CMV
• Gas Block Journal Diameter .936
• Gas Tube Length — Carbine
• 1-7 RH Barrel Twist
• 6 Lands and Groves
• M4 Feed Ramp
• Button Broached
• Not chrome lined