I have ran out of large pistol primers but have 1000 large magnum pistol primers. I have been loading 4.6 gr. of bullseye with a 200 gr. SWC. Could mag primers be used if I reduced the load? I also have unique on hand. Any advice. I read not to use mags. with fast burning powder.
Mag primers in 45 ACP
- Thread starter deanodog
- Start date
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44forever
Member
I normally use Mag primers in all my loads. As long as you start low and work up it should be as safe as any other component change. As for gilt edged accuracy, I can't shoot well enough to tell.
mstuhr
Member
Howdy
Howdy,
The Winchester primers state "Large pistol for standard or magnum loads" on the carton.
Hope that helps.
Mike
Howdy,
The Winchester primers state "Large pistol for standard or magnum loads" on the carton.
Hope that helps.
Mike
Steve C
Member
Your load is a little above start or light target but its still under maximum according to several data sources. While there's no danger in using mag primers with your load there is likely to be some change in velocity + or - and may change accuracy so you may want to load a few to shoot first and adjust if needed. Running them over a chrono could give you some insight as to what changes if any have occured with the change in prmer.
fredj338
Member
Mag primers affect diff powders at diff. charge wts. I ran a chrono test using 45acp:
230grLRN, 4.5gr WST
FedLP = 808fps
RemLP = 811fps
CCILPM= 809fps
SO you can see, very little vel. increase w/ this midrange load. Other powders show diff. results, but if your load is well below max. changing primers should have little affect.
230grLRN, 4.5gr WST
FedLP = 808fps
RemLP = 811fps
CCILPM= 809fps
SO you can see, very little vel. increase w/ this midrange load. Other powders show diff. results, but if your load is well below max. changing primers should have little affect.
