The Samson Evolution EX Series is the next step forward in free-floating handguards. Being lightweight and durable allows the Samson Evolution EX Series to offer the perfect upgrade for 3-Gun competition shooting" law enforcement and military personnel or weekend enthusiasts. Accessory Picatinny rails can be added or removed at any of 7 positions around the rail and any place along the length of the tube. This rail accommodates most piston systems. This is the 7" Carbine Length Evolution EX Evolution Rail for the AR-15. Includes: Thermal bushings" Two (2) 2" accessory rail kits" One (1) 4" accessory rail kit and wrenches.

Features:
Samson Evolution EX Series 7" Free-float AR-15 rail system
Relieved for most gas piston system
1913 Picatinny Mil-spec
Forms continuous top rail