SIG Sauer P228 Spring Powered Airsoft Pistol - Tophatter's Guns'N'Weapons StorePerfect entry level pistol. Nicely detailed. The Sig Sauer P228 from Airsoft uses a Class 2 firing system capable of firing at up to 230 fps. It works best with 6mm 0. 12g BBs and comes with 0. 12g BBs and targets. Features BAXS fixed hop up system Drop free magazine High impact polymer construction Must be cocked for each shot Specifications: FPS Range: 240 260 Length: 200mm Magazine Capacity: 13rds Muzzle Velocity: 260 FPS (Measured with 0. 12g BBs)