kdj Posted February 25, 2004 Share Posted February 25, 2004 So now that I seem to have my open gun working reliably, it's clearly time to fiddle with something and break it again I've been shooting Zero 125g JHPs over N350. I'd like to try a lighter bullet and happen to have a bunch of 121g. Since these would still make major if I ever get around to shooting in IPSC matches, I'd prefer to try these to 115s. I've looked on Jeff Maass' page and there don't seem to be many suggestions for 121g loads. I didn't find much in a search here either. Any one have any suggestions for some possibilities, probably using some varient of VV since I'm biased in that direction? Thanks, Kevin Quote Link to comment Share on other sites More sharing options...
ErikW Posted February 25, 2004 Share Posted February 25, 2004 N350 works, just use what you've got. I've used 3N38 with them, too. They need more powder than 124 gr bullets but less than 115. Just use your 124/125 load as the start load and work up. Quote Link to comment Share on other sites More sharing options...
kdj Posted March 18, 2004 Author Share Posted March 18, 2004 I finally got to play with this a little last weekend. My 125g load is 7.5 of VV350 and that gives 1360 fps for 170 PF. I tried the same load with a 121g and it gives 1380 fps. Since this factors to 166, I suppose I could just live dangerously and run with the same load I think I'll look for the extra 20 fps just to feel comfortable! One day I might have enough experience to know how many tenths I need to add to do that ... Finding a time and a place to set up a chrono is a pain so I don't think I'm going to be changing load too often! Kevin Quote Link to comment Share on other sites More sharing options...
ong45 Posted March 18, 2004 Share Posted March 18, 2004 I load 10.4 of 3n38 for 170pf James Quote Link to comment Share on other sites More sharing options...
338lapua Posted March 18, 2004 Share Posted March 18, 2004 I load 10.6 of vv105 to make major. No problem and it shoots flat. The bad part is it will spill some on the press. Rob Quote Link to comment Share on other sites More sharing options...
shred Posted March 18, 2004 Share Posted March 18, 2004 I've posted some of my loads before.. maybe hiding under 'shorty' loads or TJ or supercomp or something. Anyway, With a 121 Hornady HAP and my full-length no-holes-but-the-one-in-front blasters, all these make right at 165 PF-- 8.9 4756 (depends on lot) 7.5 7625 (ditto) 8.2 3N37 7.8 N350 9.5 3N38 10.0 N105 For minor/steel loads, try (in snappy-to-bouncy order): 6.8 AA#5 6.5 4756 5.0 N320 Quote Link to comment Share on other sites More sharing options...
diehli Posted March 18, 2004 Share Posted March 18, 2004 Going with a linear computation (which I know some GMs do) you'd be looking at .1 grains more to hit that 1400fps mark with the 121. It's worth a shot--pun intended. Quote Link to comment Share on other sites More sharing options...
Rob Bagnato Posted March 18, 2004 Share Posted March 18, 2004 Try the same load you were using for the 125's. I was using 125 Zero's @ 10.6 N105. The exact load still made major with the 121's. 169.5 PF (Naitionals, Phoenix, Missouri). I don't have any experience with N350 though. Good luck. <the above data is based on a 4.4" barrel 3 popple holes> Quote Link to comment Share on other sites More sharing options...
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