specification CALIBER 4.5mm/5.5mm/6.35mm VELOCITY 4.5:1000fps/5.5:1000fps /6.35:900fps 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 L*W*H 1120*180*50(mm) WEIGHT 2.5kg