12g shell from .50BMG case?

Casp_A · July 13, 2005, 03:04 AM

I was recently told that you can make a 12g shotshell from a .50BMG casing. They said to peen the front of the rim to thin it out to about the right thickness, then file it to the correct diameter. Also, cut the case off about a quarter inch behind the neck. Prime, load the powder charge, use felt wads like in a muzzle loading shotty, load the shot or whatever projectile you're using, and fill the end with parafin wax. Seems to be workable, case head's the right size, but I don't have the brass to try it. Has anyone else here tried this? By the way, yes, I do realize this is almost completely pointless, due to cost, but it has one heck of a curiosity factor.

steveno · July 13, 2005, 03:53 AM

I'm not sure why I would even consider it.

kudu · July 13, 2005, 04:54 AM

Lots of work, when you can buy brass 12ga hulls from Midway, also can buy brass 20ga hulls IIRC. .444 Marlin brass make good .410 hulls as well.

Dave McC · July 13, 2005, 02:45 PM

An awful lot of work,and expensive. Not much point to it, IMO.

mikikanazawa · July 17, 2005, 12:34 AM

What about the case rim? Isn't the 12 ga. rimmed and the .50BMG rimless?

Glock19Fan · July 17, 2005, 01:29 AM

I dont think so. The .50BMG is neither a strait walled case nor rimmed. Trying this would definatly blow up your gun, since the brass of the case probably wouldnt expand to the walls of the chamber, allowing the gases to escape around it, and most likely blowing the gun apart, assuming you could even get it in the chamber and keep it there.

wacki · July 17, 2005, 08:49 PM

Quote:

when you can buy brass 12ga hulls from Midway

whats the point?

Looks cool, but any practical reasons?

July 13, 2005, 03:04 AM	#1
Casp_A Senior Member Join Date: August 12, 2004 Posts: 495	12g shell from .50BMG case? I was recently told that you can make a 12g shotshell from a .50BMG casing. They said to peen the front of the rim to thin it out to about the right thickness, then file it to the correct diameter. Also, cut the case off about a quarter inch behind the neck. Prime, load the powder charge, use felt wads like in a muzzle loading shotty, load the shot or whatever projectile you're using, and fill the end with parafin wax. Seems to be workable, case head's the right size, but I don't have the brass to try it. Has anyone else here tried this? By the way, yes, I do realize this is almost completely pointless, due to cost, but it has one heck of a curiosity factor. __________________ Johnny was a chemist's son, but Johnny is no more. What Johnny thought was H2O was H2SO4.

July 13, 2005, 04:54 AM	#3
kudu Senior Member Join Date: May 18, 2004 Location: Northern Indiana Posts: 273	Lots of work, when you can buy brass 12ga hulls from Midway, also can buy brass 20ga hulls IIRC. .444 Marlin brass make good .410 hulls as well. __________________ "a shootin' we will go"

July 13, 2005, 03:53 AM	#2
steveno Senior Member Join Date: June 18, 2004 Location: Minden , Nebraska Posts: 1,407	I'm not sure why I would even consider it.

July 13, 2005, 02:45 PM	#4
Dave McC Staff In Memoriam Join Date: October 13, 1999 Location: Columbia, Md, USA Posts: 8,811	An awful lot of work,and expensive. Not much point to it, IMO.

July 17, 2005, 12:34 AM	#5
mikikanazawa Senior Member Join Date: September 26, 2004 Posts: 449	What about the case rim? Isn't the 12 ga. rimmed and the .50BMG rimless?

July 17, 2005, 01:29 AM	#6
Glock19Fan Senior Member Join Date: March 30, 2005 Posts: 122	I dont think so. The .50BMG is neither a strait walled case nor rimmed. Trying this would definatly blow up your gun, since the brass of the case probably wouldnt expand to the walls of the chamber, allowing the gases to escape around it, and most likely blowing the gun apart, assuming you could even get it in the chamber and keep it there.