Thread: .38 +P can equal? 9 mm
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Old 06-24-2018, 07:36 AM
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TomkinsSP TomkinsSP is offline
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Originally Posted by ArchAngelCD View Post
20,000 psi and 35,000 psi so no, the .38 Special +P will not match the velocity of the 9mm with the same bullet weights...
Only true if cases are same size. Its pounds per SQUARE INCH. Put a 110 grain bullet in a .38 case and in a 9x19 case you have close to 2.5x usable volume with the Special case. Choose your powder well and you can get greater velocity from the Special (17k not 20k +p) than the Parabellum.
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Last edited by TomkinsSP; 06-24-2018 at 07:38 AM.
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