specification POWER SOURCE CO2 COCKING MODE Manual MAGAZINE CAPACITY 4.5(.177):9 SHOTS /5.5(.22): 7 SHOTS BULLET FIRING MODE Manual Single Shot BARREL: Barrel 1 208mm/Barrel 2 :450mm TRIGGER PULL aDJUSTABLE tRIGGER : 0.5-4Lbs VELOCITY 1, Implied Velocity of Pistol :4.5:500fps /5.5: 400fps 2,Implied Velocity of rifle:4.5:600fps /5.5: 500fps FRONT SIGHT Pillar Shape and No Fiber REAR SIGHT Adjustable and No Fiber RAIL 11mm LIFE TEST Over 5000 times