Lighter loads lack penetration. This is especially important if you are shooting light loads out of short barrels. Lots of people think faster velocity light loads = deeper penetration. That's untrue. What actually happens is the lighter load will break up before getting the needed penetration.
Heavier loads penetrate deeper. If you are shooting out of a short barrel, you'll want heavier loads.
There was a tacticalfirearms article a few years back where Speer representatives stated that for 9mm loads, if you were shooting out of shorter barrels that they recommended 147 gr or 124+P loads to achieve sufficient penetration.
Heavier loads penetrate deeper. If you are shooting out of a short barrel, you'll want heavier loads.
There was a tacticalfirearms article a few years back where Speer representatives stated that for 9mm loads, if you were shooting out of shorter barrels that they recommended 147 gr or 124+P loads to achieve sufficient penetration.