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**Mike Irwin** · February 2, 2011, 09:34 AM

Absolutely NOT.

.41 Magnum has a case head diameter of .434.

.41 Long Colt has a case head diameter of .405.

The Long Colt cases will split.

Google a cartridge called the ".41 Special."

There's really no such cartridge (as recognized by SAAMI), it's more a state of mind by people trying to develop milder loads for their .41 Mags.

Lots of people have published loading information using both full-length .41 Mag cases as well as shortened cases.

Just make sure you know which case length the author is using before you start trying his loads.

February 2, 2011, 09:34 AM	#4
Mike Irwin Staff Join Date: April 13, 2000 Location: Northern Virginia Posts: 41,380	Absolutely NOT. .41 Magnum has a case head diameter of .434. .41 Long Colt has a case head diameter of .405. The Long Colt cases will split. Google a cartridge called the ".41 Special." There's really no such cartridge (as recognized by SAAMI), it's more a state of mind by people trying to develop milder loads for their .41 Mags. Lots of people have published loading information using both full-length .41 Mag cases as well as shortened cases. Just make sure you know which case length the author is using before you start trying his loads. __________________ "The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza Baby Jesus cries when the fat redneck doesn't have military-grade firepower.