Untitled document The Samson-DI is a drop-in-rail system that does not require permanent modification to the weapon. At 9.1 oz, the STAR-DI is a solid addition to any carbine. Specification: Carbine Length Non Free Float Drop-In Ready M203 Ready No Need To Remove Delta Ring 6061 T6 Aluminum All Rails 1913 Mil-Spec Hard Coat Anodized Weight 9.1oz |