CMMG Barrel 5.56 NATO 16.1" 1:7 Twist Carbine Length 4140 CrMo Salt Bath Nitride Finish 1/2x28 TPI Thread 55DE10A

5.56 16" M4 LE 1:9 Car Gas Barrel Extension



Specifications :

- Caliber: 5.56x45mm NATO Chamber

- Barrel: 16" M4 Profile Barrel

- WASP Treated 4140 Chrome-Moly Steel

- 1:9" Twist

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