I read in a gun magazine years ago that Remington used small rifle primers in their .357 magnum factory loads. I have used them and they work fine. I know a few other people who use them also. This is the only cross primer load that I know of that works.
There are plenty of cross primer loads that will make an effective BOOM.... it's just russian roulette without load data and workups within a Proper environment.
Funny, this is the info DIRECTLY from Remington.......
Question Can primers be used interchangeably?
Answer Generally, no. The 97* and 209P (Premier) are interchangeable in Alliant powder shotshell data. The 57* and the 209 (non-Premier) were both different from the 209P (Premier). The 57* was smaller in diameter, and the 209 (non-Premier) was slightly hotter. The new 209 STS primer is interchangeable with the 209P (Premier) primer in most recipes. It is always best to check with the powder manufacturer when you have a question about a specific recipe. The 209-4 is a primer specifically made for use in .410 shotshell loads although there are no current recipes listed by the powder manufacturers using it. The 209-4 should not be used in gauges other than the .410 due to its lower energy level.
In pistol cartridges, the 1-1/2 small pistol primer should not be used in the 357 Magnum, 357 SIG or the 40 S&W. The 5-1/2 small pistol primer is the proper selection for these rounds.
In rifle cartridges, the 6-1/2 small rifle primer should not be used in the 17 Remington, 222 Remington or the 223 Remington. The 7-1/2 BR is the proper small rifle primer for these rounds.
Warning: When primers are selected incorrectly, misfires, damage to your firearm, and/or personal injury may occur. Visit the ballistics tables on our website. Recommended primers for each rifle and pistol cartridge are listed in these tables.
http://remington.custhelp.com/cgi-b...nBfc2VhcmNoX3RleHQ9cHJpbWVy&p_li=&p_topview=1
Kinda blows that "written in stone" article away........



Don't believe everything you read in "some magazine".
It appears that you've not read the article by Mr Jones or really done any bit of research on primers, seems like it's just not a really big deal, just a primer.
Read and believe whatever you'd like to, there's just no
sensible reason or excuse to swap primers for the 357, SMPP's are available, DESIGNED and have VERIFYABLE load data for the .357. If you chose to follow down a path that I deem illogical, then so be it. I look at it this way, it MAY work, it may work for many many years, but what if something does happen...... you've got no recourse, you're S.O.L., no manufacturer is going to take responsibility if you're loading non standard loads, even if it was a component issue. ( granted, if you're doing some wildcat loads, you're in the same boat, but most wildcatters build up and progress their loads, they didn't just haphazard "try it out" from hearsay or a whim)
It's not hard to get the correct primer, there are NO issues with a SMPP in 357, so WHY CHANGE??
Ok, I'll give this a permanent rest, if you still want to use rifle primers, your choice, we'll just chose to disagree, but I do hope you'll read Manufacturers recommended data and the research of those "in the know".
you can lead a horse to water, but............