Quote:
Originally Posted by Hapworth
I thought +P was better for short barrels because the increased velocity compensated for the shorter barrel, and increased the likelihood of adequate penetration and expansion?  |
I have heard the exact opposite because all a +P is loaded with is more powder. That powder does not have a chance to fully burn and build pressure up out of such a short barrel. Thus the +P loads does not give much more velocity over standard loads if any. Most velocity test you read on manufactures sights are out of 4-6inch barrels. Unless other wise state. I do think there are some loads out there tailored to snub nose style revolvers thought and they might be velocity tested in snub nose size barrels.
Now you really do have me curious maybe one of the re loaders will see this and chime in.