50-500. -1 means an engineering change.
39 holds less rounds then the 59
Basically, nothing.
The markings.
Size.
That will depend on what are you comparing it to.
An engineering change.
No tirggerguard screw is the main one.
Different makers. The cartridge used is the 9x19.
One is blue and one is stainless steel
The one screw basically.
908 - Black finish 3914 - Blue finish
52-1, single action only.