Product Description
13.9" pre-ban M-4A1 SOCOM profile with a 1x7 twist, 4150 11595E Steel with Chrome Lining. These are the same heavy profile as the current issue with the M203 flats. Always have a competent gunsmith assemble your barrel or rifle kit and headspace your barrel before first use. Using a rifle put together incorrectly or assembled using incorrect or modified parts can result in a damaged rifle, personal injury, death, or damage to property.
