Samson AR-10 Rifle Length Free Floating Rail 13.2in. The Samson STAR 10 - 7.2 is a standard 7.2" length free floating carbine rail. It offers a removable lower for M203 compatibility. The Samson STAR10-13.2 is a free floated rifle length rail system that fits up to the front sight base. This Samson accessory has a length of 13.2" rail for maximum rail space. The Samson STAR10-9.2 is a standard 9.2" length free floating carbine rail. It offers a removable lower for M203 compatibility. In addition to the Samson Star 10 Rails we carry a full complement of shooting accessories and rifle scopes mounts rings and bases as well as other product offerings from Samson. We also carrie a full line of Samson accessories such as Samson Star-4 AR Pistol Free Floating Rail Samson Star Carbine Length Free Floating Rail for AR-15 Samson Tactical Accessory Rail System AR-15 Mid- Length Free Floating Rail Samson Drop-In-Rail System and more. Samson Tactical Accessory Rail System AR-10 Star Rifle Length Free Floating Railavailable models: STAR-10-7-2: Samson STAR 10 - 7.2" AR-10 Carbine Length Free Floating Rail STAR10-9-2: Samson STAR10 9.2" AR-10 Carabine Length Free Floating Rail STAR10-13-2: Samson STAR10 - 13.2" AR -10 Rifle Length Free Floating Rail Specifications for Samson Star 10 Rail System for AR-10: Gun Model: AR15 Features of Samson Star 10 Rail System for AR-10: Carbine Length Free Float New Mod 3 Design M203 Ready No Need to Remove Front Sight Base Winged Clamp To Prevent Barrel Net Rotation All Rails 1913 Mil-Spec Hard Coat Anodized Forms Continuous Topp Rail 6061 T6 Aluminum Package Contents: Samson STAR-10 Rail System for AR-10 Samson AR-10 Rifle Length Free Floating Rail 13.2in - STAR10-13-2