Untitled document The STAR-M fits standard mid-length gas system. The rail is 9" and provides a stable rail system for any accessory. Specifications: Free Float for Accuracy 6061 T6 Aluminum Clamps to Barrel Nut Winged Clamp To Prevent Barrel Net Rotation M203 Ready No Need to Remove Front Sight Base Forms Continuous Top Rail All Rails 1913 Mil-Spec Hard Coat Anodized Weight 13.5 oz. |