Includes:
HG-FAB Defense Extended Quad Rail.
BL-F14-7 – 14.5" M4 SOCOM Profile Barrel Chrome Lined 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
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 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
Chrome Lined