Luth-AR 5.56 18″ Mk12 Barrel
Made from 4140 Chrome Moly, 1-9 RH twist and an M4 style feed ramp.
Specs & Features:
- 5.56
- 4140 Chrome Moly
- Threaded Barrel — Thread Pitch 1/2 x 28
- Gas Block Diameter .750
- Gas Tube Length — Rifle
- 1-9 RH Barrel Twist
- 6 Lands and Groves
- M4 Feed Ramp
- Button Broached
- Weight: 2 lb 11 oz
- Not chrome lined




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