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Requesting Pressure Calculation .44Mag

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22 August 2006, 11:25
EMC2
Requesting Pressure Calculation .44Mag
I don't know if this is an acceptable practice on this forum, but I was hoping someone with Quickload or similar software cold punch in some numbers for me the next time they're using the program?

.44 Rem Mag
250gr LFN Gas Check BHN Hardness 21
Federal Brass (SAAMI size Specs)
COAL 1.710
CCI 350 Large Pistol Magnum Primer
Moderate crimp
17.5gr Alliant 2400

Thanks for any help you can provide.

EMC2
22 August 2006, 12:03
tnekkcc
What is the length of the bullet?
22 August 2006, 19:27
EMC2
The bullet length is .715"
and the firearm is a S&W Mod 629 DX w/ 6.5" bbl

Thank you,
EMC2
26 August 2006, 21:21
tnekkcc
With the added length of the cylinder the barrel would figure at 8.3", 1,246 fps, 19,979 psi.

With 6.5" of barrel it would be 1,157 fps, but that would be wrong.