中国军工人却意外的制造出来世界最轻的重机枪。"最轻的" is NOT important. What about it's accuracy? What about easy of use (easy change hot barrel)? What about rate of fire? What about effect range?
It did not mentioned the rate of fire, but the calibre is 12.7mm, the same size as the .50 cal. And its range is up to 1500m. From the look of it, it seems to have interchangeable barrels, but I am not too sure.