Specifications: (.22 cal and .25 cal) 

• Barrel Length: 8.2 inches (210mm)
• Max Projectile Velocity: .22 cal - 15.89gr Hades @ 1085fps | .25 Cal - 34gr Knockout Slug @ 937fps
• Muzzle Energy: .22 cal - 4.5-54 ft-lb and .25 cal - 4.5-66ft-lb (Shots recorded from 300 BAR fill)
• Safety: Yes
• Max Pressure: 5000 psi (350 Bar)
• Cylinder Volume: 85cc
• Magazine Type: Auto-rotating, Non-removable
• Magazine Capacity: .22 cal - 19 shots and .25 cal - 17 shots
• Optics Mounting: 11mm dovetail rail
• Grip Material: Walnut
• Front Sight: Fixed
• Rear Sight: Adjustable for windage and elevation
• Max Shots Per Fill: .25 cal - 45 Shots. 45th shot at 756 fps and 1450 psi
• Dimensions: 12.8 x 6.3 x 2 inches
• Weight: 2.65 lb

Packagage Contains:

• Huben Gk1 Air Pistol
• User Manual
• Fill Probe & Spare Parts
• Hard Carrying Case with Foam Inlay