Looks like my original comment got eaten, and the corrections got posted. Oh well…
This is to help explain to Mr Acworth and robotech master the differences between an SS109 bullet and a SS190 bullet. They are not the same, nor is one an update to the other, and while they are constructed in the same manner, they have different applications
The SS109 is 62-grain AP bullet with a steel penetrator and lead core. It is typically found in the M855 “green tip” 5.56×45 NATO intermediate rifle cartridge used by the M16 rifle and M4 carbine.
The SS190 is a 31-grain AP bullet with a steel penetrator and a lead core designed for the 5.7×28 pistol-class cartridge used by the P90 and FiveseveN pistol.
They are not the same, anymore than a Chevette and Corvette are the same kind of car.
