specification CALIBER 4.5mm/5.5mm/6.35mm VELOCITY 4.5>9000fps/5.5>800fps /6.35>700fps AIR CAPACITY 350CC CONSTANT VALVE Yes MAGAZINE CAPACITY 4.5(.177)13SHOTS /5.5(.22) 11 SHOTS/6.35(.25) 9SHOTS TRIGGER PULL 1-5L bf SAFETY FORCE Adjustable Manual Safety ON1-6Lbf/OFF 1-6Lbf MAXIUM PRESSURE 25MPa HAMMER TEST 30Lbsx30x(Safety ON) LIFE TEST 5000 times WEIGHT 2.5kg