Probably even a little bit more heat in an already pressure filled situation .Speer says you cant do this on 357 sig
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Probably even a little bit more heat in an already pressure filled situation .Speer says you cant do this on 357 sig
I called speer and ask about using magnum primers or small riflei used magnum primers in 38 sp, 357 mag, 9mm, 40 s&w, 44 mag, 45 lc, and 45 acp without any problems for years. what i tell people is,,, you reduce your load then work up your load back up. you will need a chronograph. if you don't have a chronograph then i would not do it. i ran tests between standard and mag primers with the same bullet, powder and powder weight. some calibers the mag primer gave me about 25 fps more. most were just a little over the standard primer load fps. if i can remember the 45 acp was close to 50 fps more. i got the data somewhere, i ran years ago when we had this problem before.
sellier and bellot small pistol primers use to stated on the box,,, for standard and magnum pistol loads. so this tells me that sellier and bellot makes one small pistol primer for both, magnum. they made some of the best primers next to tula.
you can use small rifle primers in place of small pistol primers. same thing test your loads to see what they are running. i have used the small rifle primer too. but the only thing if your trigger/hammer spring weight is very light then it might not set off the round. the small rifle primer cup is a little stronger/thicker than the small pistol primer. so it takes a better hit to set it off.
Have a chronograph, been reloading 30 years. A chronograph doesn't tell you what the pressure is. You can have low velocity and high pressure. I have reloading manuals all the way back to the 1980s. If you're working up loads based on velocity reading from a chronograph you are treading on thin ice.don't know about the 357 sig. i don't have one so i have no clue. i don't run my ammo hot. i don't have any reason to do so. what i reload is for nra/ihmsa metallic silhouette rifle and pistol matches. my ammo is shot in rifles/pistols that are setup for match shooting. you will not find any of my loads in books. you need a chronograph to work up loads. you don't need to spend a lot of money for the basic chronograph. i am still using a chronograph i got in 1982. if you can find older reloading books you can see how the reloading data has change over the years.
Vista outdoors owns cci and speer both, they told me this week that they are not the same. Where did u get the info that says they are?CCI says their small pistol magnum and small rifle are the same primers. I know that doesn't answer the question at hand though. I believe the cups are a tad thicker than standard small pistol primers so might have light strikes in a striker fired pistol, not sure.
Rosewood
Also if this were the case why would they list small rifle primers for 454 instead of small pistol?CCI says their small pistol magnum and small rifle are the same primers. I know that doesn't answer the question at hand though. I believe the cups are a tad thicker than standard small pistol primers so might have light strikes in a striker fired pistol, not sure.
Rosewood