specification CALIBER 4.5mm/5.5mm/6.35mm VELOCITY 4.5:10000fps/5.5:900fps /6.35:800fps MAXIUM PRESSURE 25MPa CONSTANT VALVE Yes AIR CAPACITY 210CC MAGAZINE CAPACITY 4.5(.177)13SHOTS /5.5(.22) 11 SHOTS/6.35(.25) 9SHOTS RAIL 11mm DOVETAIL STOCK GERMAN BEECH LIFE TEST 5000 times L*W*H(mm) 965*55*195mm WEIGHT 3.0kg