Tokyo Marui Hi-Capa 5.1 Tactical Custom Gas Blowback Airsoft Pistol (SILVER)Specifications Brand: Tokyo Marui Operation: Gas Blowback Material: Polymer Trigger, Grip, Slide, and Outer Barrel Firing Modes: Semi Automatic, Safety Muzzle Velocity: 250 300 FPS (w 0. 20g BBs) Magazine Capacity: 31 Rounds Hop Up: Yes, Adjustable Inner Barrel Length: 113mm Length: 9. 25" Weight: 895g Color: Silver Package Includes: 1X Airsoft Pistol, 1X Magazine Features High strength polymer constructed slide offers lightweight durability Features