Hellboy CO2 Bbs .177 (4.5mm) Rifle Package

18-round BB magazine
Semi-automatic
One 12-gram CO2 cartridge fits in the magazine
Velocity: 495 FPS
Full metal receiver, magazine, and barrel
Weaver/Picatinny optics rail (detachable carry handle)
Full metal action; plastic is used only on the retractable stock, pistol grip, and handguard
Non-adjustable trigger
Field-strippable
Integrated sling swivels
Adjustable rear sight for windage and elevation (2 flip-up aperture settings)
30″-33.5″ overall length due to the adjustable stock
Total weight: 5.2 lbs