Developed for shooters who value predictable performance during regular practice, the Rosco Manufacturing ROSCO 14.5" GVT 5.56 NATO offers practical handling.\n\nThis 14.5" M4 5.56 NATO Mid-Length barrel was built based on the USASOC specs for an Improved Upper Receiver Group, with a touch of Rosco influence. The longer gas system provides a smoother gas flow, resulting in controlled dwell times. This setup offers an excellent balance of speed and performance.\n\n- Manufacturer: Rosco Manufacturing\n- Model: BL-145-GVT-556-7-M\n- Caliber: 5.56 NATO\n- Condition: New\n- Action: Semi-Automatic\n- Finish Color: Nitride\n- Barrel Length: 14.5"\n- Number of Magazines: 0\n- Capacity: N/A\n- Optic Footprint: N/A\n- Unique Features: Mid-Length Gas System, 1/2X28 Muzzle Threading, 1:7 Twist, 4150 CMV Construction\n- Night Sights: No\n- External Safety: No\n- Threaded Barrel: Yes\n- What's In The Box: Barrel only\n- Weight: 26.34 oz\n- Length: 14.5"\n- Width: N/A