The Lancer Tactical SOPMOD M4 Carbine fills the niche for an affordable yet reliable airsoft primary. The externals are made out of ABS Polymer and features a quad RIS rail for lasers, flashlights, and grips. The full length M4 barrel features a 363mm smooth inner barrel attached to an adjustable hop-up. The upper receiver has an integrated rail for red-dot sights, scopes, and other optics. The carry handle has a rear adjustable iron sight for precision accuracy. The M4-style crane stock is adjustable to three positions. Internally, the Lancer Tactical M4 RIS Carbine has a full metal gearbox and a high torque motor shooting at 400 FPS (with .20g) at an impressive 15 rounds per second (RPS).