ukarms p1168 m16 spring airsoft gun shell ejecting full size heavyweight assault rifle fps-345(Airsoft Gun) Features: Manufactured by UKARMS! Heavyweight, 1:1 Scale Modeled After the M16 Assault Rifle! Spring Powered, Ejects Mock Shells After Every Shot! Measures in at Almost 3 Feet Long! (35.5") Velocity (FPS): 345 w/ 0.12g BB's Reinforced High Strength Polymer Body! Full Metal Precision Inner Barrel ntegrated Top RIS Rail System Under Removable Carry Handle to Attach Optics & Accessories! Retractable Rear Crane Type Stock Comes with 30 Round Metal Rifle Magazine, 6 Mock Shells, & Gun Sling Adjustable Hop Up System & Rear Aiming Sight Working Safety Length: 32", 35.5" (Stock Extended)