DivemasterMark Posted April 13, 2015 Share Posted April 13, 2015 For some time I've been getting a lot of small primer pocket brass. Would small magnum pistol primers work well with VV320 or 310? Link to comment Share on other sites More sharing options...
Steve RA Posted April 13, 2015 Share Posted April 13, 2015 I use Tula KVB-223 rifle primers in my SP Federal cases and have had no problems at all. This is in a 1911, don't know about a striker fired weapon. Link to comment Share on other sites More sharing options...
zzt Posted April 13, 2015 Share Posted April 13, 2015 Yes, but you certainly do not need them for VV310 and 320. I have to bump my major load up by 0.2gr to get the same velocity from SPP that I get from LPP. A magnum SPP will more than make up for that velocity loss without bumping the powder up. Link to comment Share on other sites More sharing options...
BASE772 Posted April 14, 2015 Share Posted April 14, 2015 I just use SPP in them. Work great. Link to comment Share on other sites More sharing options...
racknrider Posted April 15, 2015 Share Posted April 15, 2015 On a slight tangent, but I recently loaded 5 rounds with small pistol primers and 5 rounds with small rifle primers. The average fps for the rifle primers was 1 foot per second faster but the SD was around 10 less. Small sample I know. I am now completely in the camp of primers are interchangeable. Link to comment Share on other sites More sharing options...
DivemasterMark Posted April 18, 2015 Author Share Posted April 18, 2015 On a slight tangent, but I recently loaded 5 rounds with small pistol primers and 5 rounds with small rifle primers. The average fps for the rifle primers was 1 foot per second faster but the SD was around 10 less. Small sample I know. I am now completely in the camp of primers are interchangeable. We are sheep to the wolves of primer manufacturers I guess. Given all the OCD folks in our midst, I'm kinda surprised this apparent lack of significant difference hasn't surfaced. It probably makes a difference to the bullseye crowd, but all I worry about is not blowing up my gun and making power factor in the games. Link to comment Share on other sites More sharing options...
Steve RA Posted April 18, 2015 Share Posted April 18, 2015 I use SRPs in 9mm, .45ACP and .223/5.56 as I only need to stock one primer which, IMO, simplifies things and saves a little by buying in bulk. Link to comment Share on other sites More sharing options...
dddoo7 Posted April 18, 2015 Share Posted April 18, 2015 I use SRPs in 9mm, .45ACP and .223/5.56 as I only need to stock one primer which, IMO, simplifies things and saves a little by buying in bulk. I like that idea. Is there any change in load data when doing this? Can this be done with large pistol/rifle as well? It would be wonderful to only have to stock large and small. Link to comment Share on other sites More sharing options...
Steve RA Posted April 18, 2015 Share Posted April 18, 2015 I didn't notice any change when switching from some large (with change in cases) and some small to all SRPs but I wasn't loading "hot" loads. If you aren't loading to maximum then you should have no problems. You won't with maximum loads either, but, you need to work up to them. Won't work on large primers as the depth of the cup on the rifle and pistol primers are not the same. That's unfortunate but the way it is. Link to comment Share on other sites More sharing options...
thermobollocks Posted April 18, 2015 Share Posted April 18, 2015 Am I making things up, or are small rifle primers harder to ignite than small pistol? Not all of my guns can handle harder primers. Link to comment Share on other sites More sharing options...
Steve RA Posted April 19, 2015 Share Posted April 19, 2015 Yes, they generally have thicker primer cups, the hardness of the material may vary also. Some striker fired guns don't work well or at all with harder primers. Most 1911s will fire almost anything. Link to comment Share on other sites More sharing options...
BASE772 Posted April 19, 2015 Share Posted April 19, 2015 Yes, they generally have thicker primer cups, the hardness of the material may vary also. Some striker fired guns don't work well or at all with harder primers. Most 1911s will fire almost anything. I agree. My 1911 with a 17lb mainspring eats up small rifle primers. Link to comment Share on other sites More sharing options...
stinsonbeach Posted May 25, 2015 Share Posted May 25, 2015 Ok - so simple question: - have lots of SPP cases for .45 - shoot mainly 1911 - have NOT wanted to shoot them, but they are stacking up - noticible difference? ...can't imagine, but gotta' ask Thanks. -jb Link to comment Share on other sites More sharing options...
Steve RA Posted May 25, 2015 Share Posted May 25, 2015 (edited) I haven't noticed any difference. I've not chronoed since switching but the accuracy did not change at all. I wasn't loading to any power factor so wasn't worried about excessive pressure. If you are running hot loads I'd certainly drop back a little on the powder and work up with a chrono. I doubt if you would notice any change - but - better safe than sorry. I only use SP Federal brass in .45, don't think it's any better than the few others, but have always liked to stick to one brand of case. Edited May 25, 2015 by Steve RA Link to comment Share on other sites More sharing options...
wgj3 Posted May 25, 2015 Share Posted May 25, 2015 (edited) As long as your ignition system has enough hump to ignite them, it will work perfectly. The magnum primers are not needed, but should work perfectly fine. Edited May 25, 2015 by wgj3 Link to comment Share on other sites More sharing options...
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