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Post by mshm99 on Dec 26, 2009 11:01:45 GMT -5
Does anyone know the difference between pistol and rifle primers,besides the obvious ability of rifle primers to contain more pressure.
Are rifle primers actually hotter than pistol primers?
I have a contender load ,based on a necked down 44 mag cartridge,and wonder if ignition would be helped by a hotter fire?
mshm
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Post by whelenman on Dec 26, 2009 14:08:01 GMT -5
I'm no authority on the subject but I do know that the thickness of the primer cup varies from type to type to better handle the rifle pressures and there is a difference in the height of the primer between a rifle primer and pistol primer resulting in high or low primers if they're swapped out. I think that's with the large rifle and large pistol primers that that exists. Maybe someone in the know can clarify it further.
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Post by blacksavage on Jan 8, 2010 8:12:30 GMT -5
if needed small rifle can be used in in small pistol but i would not use small pistol in place of the small rifle as u mentioned the higher pressur. I tried the small riffle in .357 magnum loaded fifty rounds to see if it made a difference in the acuracy i did not notice any if very minor changes in acuracy. and i dont have a chrono so icant say if velocity changed.
I do know the small riffle primers are harder as my ruger gp100 i have the trigger set at 3 pounds so it has a reducesd hammer spring wont set them off gets light hits i had to use my stock blackhawk in order to shoot them.
also what powder your using will determine the primer needed for instance i use 2400 alot it does not need and does better with non magnum primers.
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Post by mshm99 on Jan 8, 2010 20:00:48 GMT -5
I'm using 23.5 gr VV N110 in a 357/44 Baines-Davis(44 mag necked down to .357) I was thinking more fire is better ,although I can't complain about ignition or accuracy with pistol primers.
I was thinking I could load more N120 than N110 and with a hotter primer and may be milk more velocity out of it.
I just like to tinker.
mshm
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Post by joe21a on Jan 9, 2010 9:41:18 GMT -5
Have used both in my Blackhawk 357/44 mag with no problem. The rifle do not have as deep a dent in them as they have a little thicker cup or stronger metel not sure which.
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