Mak Hobby/Chiinnature tests how hard this APS APM50 Shell Ejecting Sniper Rifle shoots. Please follow his advice and don't do it at home. This is done only for education purposes... "Testing the APS APM50 Shell Ejecting Co2 / HPA airsoft sniper rifle at max power using 6mm steel ball bearings (0.9g) and see what is the max power we can get out of this gun to test its limits and capability. Do not do this at home, it's very dangerous and you can end up with serious injuries."