NOSHMJ Posted June 18, 2022 Share Posted June 18, 2022 With the current primer situation, Im looking to see if anyone used small rifle primers in place of small pistol magnum for .357mag? Same goes for large pistol mag and large rifle for .44 mag. Any info would be appreciated. Link to comment Share on other sites More sharing options...
Farmer Posted June 18, 2022 Share Posted June 18, 2022 SR will work in SP but large Rifle is taller than large Pistols and will not work properly without brass modifications. This argument was already discussed here. Depending on the powder and bullet weight your using in your 357 they should light them off fine. Link to comment Share on other sites More sharing options...
RGA Posted June 19, 2022 Share Posted June 19, 2022 Hi, Like Farmer mentioned, generally SR will work in SP but I tried Murom SRM in a SIG P320X5 and they would not ignite, not a single one and I made sure they were seated well. In a Walther Q5 about 10% failed to ignite (even by the 2nd or 3rd strike). Just FYI in case you come across Murom small rifle magnum primers. Link to comment Share on other sites More sharing options...
BigHand Posted June 20, 2022 Share Posted June 20, 2022 I've used SR in my .38 light loads and my .357 hunting loads and never had an issue. I've also used them in 9mm before, but just make sure you're not running some super light hammer spring or something like that. Link to comment Share on other sites More sharing options...
NOSHMJ Posted June 24, 2022 Author Share Posted June 24, 2022 Thx for info. Itll be for a Chiappa Rhino. I use SRP in place of small pistol for 9 major, but figured it wouldnt hurt to ask about magnum. Link to comment Share on other sites More sharing options...
redfisher Posted July 27, 2022 Share Posted July 27, 2022 I have always (since the early 90's) used small rifle primers in my major 38 supercomp loads (lately CCI 400s). I'm about to start trying CCI 450 small magnum rifle primers, I'm hoping they also work just fine. Jeff Link to comment Share on other sites More sharing options...
dannyd Posted July 28, 2022 Share Posted July 28, 2022 (edited) I use LR in my 44 Special all the time with Trail Boss and they work fine. Numbers from the chronograph average 754 ft/s Extreme Spread 36 ft/s Standard Deviation 8 ft/s. 50 round test Edited July 28, 2022 by dannyd Link to comment Share on other sites More sharing options...
dannyd Posted July 28, 2022 Share Posted July 28, 2022 I have used WSR and Federal small rifle in 38 special, 357 magnum, 45 acp small primer brass, 32/20 Winchester without any problems. Link to comment Share on other sites More sharing options...
zombywoof Posted July 28, 2022 Share Posted July 28, 2022 SPM and SR are pretty much the same primer. Link to comment Share on other sites More sharing options...
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