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Dans Club
December 5, 2008
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Are you using Rifle Primers?
They are stronger than other primers.
August 8, 2016
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snake-eye said
Are you using Rifle Primers?They are stronger than other primers.
This is my question as well.
445 requires a large rifle primer according to the Hodgdon online data
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Dans Club
December 4, 2011
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If you are shooting a lot of shorts, ie 38s in a model 40 or 44 mags in a 445, you could be getting a carbon ring in the chamber from the shorts that us preventing the full size SM cartridges from fully seating into the chamber. If they are a bit proud, the case head will protrude and drag on the recoil shield and cause issues similar to what is described.
A good cleaning with a brass brush in a drill and some solvent (non flamable kind) will remove that ring.
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Dans Club
December 7, 2020
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SCORPIO said
If you are shooting a lot of shorts, ie 38s in a model 40 or 44 mags in a 445, you could be getting a carbon ring in the chamber from the shorts that us preventing the full size SM cartridges from fully seating into the chamber. If they are a bit proud, the case head will protrude and drag on the recoil shield and cause issues similar to what is described.
A good cleaning with a brass brush in a drill and some solvent (non flamable kind) will remove that ring.
Exactly what I did before the shoot because I was shooting 44S and 44Ms. This was 2nd shoot since acquiring it.
I think I need to take it apart and polish/sand the firing pin as it has a slight mushroom on the tip. Do I sand back to a fine point? or make sure the tip is flat?
February 16, 2016
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Scout728said
I think I need to take it apart and polish/sand the firing pin as it has a slight mushroom on the tip. Do I sand back to a fine point? or make sure the tip is flat?
Am I wrong thinking the firing pin head is rounded?
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July 12, 2020
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I think you're correct in thinking it is a smooth radius, a point would pierce the primer,YIKES!!!!!!!
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January 24, 2009
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Yeah, piercing the primer would probably create a bad day. 
February 4, 2012
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Could be primers, there is some difference in hardness between brands. Can't offer suggestions on brand as I've been out of the game for ages.
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