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.45 Acp Cartridge Overall Length


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I was recently looking over the SAMMI .45 ACP pistol cartridge and chamber specifications, and noticed the large variation in allowable cartridge overall length (COL), namely 1.190 - 1.275 inches. I was wondering if anyone has an opinion about what, if any, is the optimal COL for the TSMG?
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If the cartridges are short, you may have trouble with drums especially. I load my 230 RN 1.270 and all is well.

 

SWC styles will give you grief in drums also.

 

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Good advice. thanks much. I think I'll give the 1.270 a try. I've been loading a little bit shorter than that.
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