16″ Upper w/ JAVELIN™ 12″ M-LOK Rail System

Description

• Barrel 16″ (HP/MP)
• Barrel Steel 4150 CMV
• Chambered in 5.56 NATO
• Premium Nitride Treatment inside and out (Barrel)
• {Nickel Boron} M4 Extended Feed Ramps
• Nickel Boron M4 Barrel Extension
• 6 Groove rifling for increased accuracy
• 1:7 Twist Rate
• MIDLENGTH Gas System with Nitride Gas Tube
• 1/2×28 Thread Pitch
• Tuned Gas Port
• Target Crown
• Nitride treated Micro Gas Block with .750 seat
• Cerakote: Graphite Black
• Forged Upper Receiver
• Hand guard type: 12.6″SOT JAVELIN-M-LOK Free Floating Rail System
• Shot peened and MPI tested bolt
• NITRIDE M16 carrier with properly staked carrier key (HP/MP)
• Forged Charging Handle
• A2 Flash Hider
• Custom Barrel Profile

SOTMFG  Javelin-12″ M-LOK Rail System: