Features: Model: Invader Auto Caliber: .22 Max Velocity (Lead-Free Pellets): 1,100 FPS Max Velocity (Lead Pellets): 1,000 FPS Max Energy: 34 FPE Shots At Optimal Velocity: 50 Shots Stock: Advanced Polymer w/ Picatinny Accessory & Optic Rails, Adjustable Cheekpiece, Soft Rubber Butt Pad Tactical Semi-Auto PCP Air Rifle Onboard Magazine Storage Removable Carry Handle w/ Adjustable Sights Picatinny Scope and Accessory Rails Overall Length: 40.5" Barrel Length: 19.7" Weight: 8.2 lbs.