The WE SMG8 Gas Blow Back Airsoft Gun SMG is a solidly built with solid metal internals with a lightweight polymer exterior. Using green gas as a propellent, this airsoft gun shorts hard, loud, and has a good amount of kick. Three railing segments on the left, right, and bottom of the provide the user with great flexibility for the installation of various tactical accessories. The stock has two positions, closed and open. The iron sights work in the down position and can be flipped up for longer range target acquisition. Every function on the SMG8 is ambidextrous, which include the fire selector, the magazine release, the slide release, and the charging handle. The pistol grip to this WE SMG8 is heavily textured, increasing traction. For individuals looking for a realistic gas sub-machine gun with a reasonable cost, look no further.