Features: Model: BullBoss Caliber: .177 Max Velocity (Lead-Free Pellets): 1,350 FPS Max Velocity (Lead Pellets): 1,250 FPS Max Energy: 35 FPE Shots At Optimal Velocity: 40 Stock: Bullpup advanced polymer, pistol grip, elevation adjustable combo, soft rubber butt pad, one fore stock accessory rail. QuietEnergy fully shrouded barrel and Integrated Sound Moderator - Approximately 50% Quieter 230cc Removable Cylinder Quattro Trigger Combo Scope Rail (11mm and 22mm) Rotary Magazine Easy To Use Side Lever Action Overall Length: 36.8" Barrel Length: 23" Weight: 9.5 lbs.