This 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.
- 14.5, Mid-Length Gas System"
- 1/2X28 Muzzle Threading
- 1:7 Twist
- 4150 CMV Construction
- Nitride Finish
State & Local Restrictions — Order Reviewed Before It Ships
Some firearms, magazines, and accessories are restricted or prohibited in certain states, cities, and counties, and these laws change often. Each order is manually reviewed against the current laws for your shipping address before it ships. If we can't lawfully ship this item to your location, we'll contact you to cancel or adjust your order and issue a refund. You're responsible for knowing and following the laws where you live — if you're unsure, please check or ask us before ordering.
