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Old January 7, 2013, 02:31 PM   #15
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Join Date: April 18, 2011
Posts: 506
Originally Posted by 9mm:
What are the FPS ratings from a 1-3/8 barrel from standard fmj rounds at 10 feet?
Looking at .38 Special JHPs in that weight class here:

It looks like out of a S&W 642 with a 1.875 barrel velocities range from 900 fps to 700 fps. Assuming that they don't expand, over that range of velocities you can expect .38 Special 130 gr FMJs to penetrate between 21 and 25 inches in soft tissue (according to the Schwartz bullet penetration model) if they don't hit bone.
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