GTP 9 Rose Gold - Gas Blow Back - Patented Whirl Cylinder Technology - Adjustable Barrel Hop-up - Pink Hard Case and Speedloader Included - 22 Round Magazine Product Details Overall Length 225mm Weight 1.76 lbs Inner Barrel Length 6.03mm Brass Inner Barrel 102mm Hop Up Chamber Metal Magazine 22R Muzzle Velocity 330~350 FPS (Measured with 0.20g G&G BBs) Blowback Yes Package Includes BB Loader, Hard Case, Magazine Firing Mode Safety, Semi-Auto Color Gold Slide Metal Gas Type Green Gas