Crosman ST-1 Full-Auto CO2 BB Rifle

Full-auto or semi-auto Uses .177 caliber BBs 25-round drop free magazine Modular design allows user to operate the gun in three configurations High-capacity 300-round reservoir and speed loader built into the magazine Quick detach barrel extender (adds 9.375" of barrel length) Barrel length with barrel extender: 15.5" Barrel length without barrel extender: 6.125" Overall length with barrel extender and buttstock extended: 33" Overall length without barrel extender and buttstock removed: 17.75" Two position adjustable buttstock Removable buttstock Max. velocity: 450 FPS Includes red dot sight Textured ergonomic pistol grip Textured forward grip Long Picatinny optics rail Forearm Picatinny accessory rails on sides and bottom Ridged rubber buttpad Uses two, 12 gram CO2 cartridges