Luth-AR AR-15 14.5" SOCOM Upper Receiver
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Starts with Luth-AR’s 14.5″ M4 SOCOM profile barrel with F Marked Front Sight Base, 5.56mm, made from 4150 CMV steel with a 1-7″ twist mated to the A3 Flattop receiver which includes their bolt carrier, charging handle, forward assist and ejection port cover.
Upper Specs:
- 7075-T6 Forging
- Hard coat anodize Black
Bolt Specs:
- Bolt: Carpenter 158 steel
- 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:
14.5″ M4 SOCOM Profile Barrel with Front Sight Base
- Available in 14.5″
- 5.56 mm
- 4150 CMV (not chrome lined)
- Threaded Barrel — Thread Pitch 1/2 x 28
- Gas Block Journal Diameter .750
- Gas Tube Length — Carbine
- 1-7 RH Barrel Twist
- 6 Lands and Groves
- M4 Feed Ramp
- Button Broached
- Not chrome lined