cylinder diameter question [Archive]

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atr

03-30-2023, 02:00 PM

For a .44 special and/or a .44 mag what is the specified or design diameter of the cylinder bore which holds the cartridge? I am talking about the the hole in which the cartridge is inserted.
thanks
atr

TurnipEaterDown

03-30-2023, 02:02 PM

Best to find here: https://saami.org/

DougGuy

03-30-2023, 03:32 PM

SAAMI specs say 44m .4598" just up from the rim, and .4582" at the case mouth.