This quote was taken from Tactical Forum--I could not copy the pictures.
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I've been using the search function and have been finding alot of discussion on 38 Special 158gr LHP fired out of 2 inch barrels. These bullets have been praised for their effectiveness when fired out of 3 or 4 inch barrels. However, they have trouble expanding at 2 inch velocities.
I remember reading somewhere (forgot where) that the 158 gr LHP was found to be effective in actual shootings when fired from a 2 inch barrel. This got me thinking about a possible explanation for the reported effectiveness of the LHP bullet that is related to the findings here on wadcutter bullets.
The following picture shows various bullets fired through ballistic gelatin with and without denim. Notice that the front of the fired, unexpanded 158gr Remington LHP looks similar to the fired 148gr lead Winchester WC except for the hollow cavity. The nose of the LHP has very slightly expanded to full bullet diameter. I have done my own testing using water filled, fabric covered, plastic jugs and have observed similar results. Sometimes the hollow cavities of the LHPs, fired from the 2 inch gun, actually belled out a little past bullet diameter and the edges remained fairly sharp.
I believe that the 38 Special +P 158gr LHP, when fired from 2 inch barrels, performs similarly to a 148 gr full wadcutter lead bullet. The main difference between the two loads is the higher velocity of +P 158gr LHP. I have no problem controlling this +P load in my S&W M 60 which is equipped with boot grips.
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