Originally Posted By: supton
At work at the moment, so I can't go there--but Stephan Camp did expansion tests on some 38spl loads. Something like highpower.com or similar. IIRC the Win would expand in a snub, but the Federal 158grn +P needed more like 3-4 inches, as it was a harder bullet.
I did that test from a 2 inch 38. Colt and a Smith
I was only able to get 2 loads to expand and that LSWCHP 158 Grain was one
The other was the hydrashock