ShortBus Posted December 10, 2016 Share Posted December 10, 2016 I shoot a weekly indoor uspsa match that requires minor due to the noise levels. Ive got a recoil spring variety pack coming Monday. I'm thinking heavier bullet, fast powder like tightgroup, 6-7lbs recoil spring.. what else? Lower hammer spring too? What are yall y'all doing for this? Link to comment Share on other sites More sharing options...
echotango Posted December 10, 2016 Share Posted December 10, 2016 (edited) I just change the powder amount and go down one on the recoil spring. No change to bullet or powder. Unless you want an entirely different load. Edited December 10, 2016 by echotango Link to comment Share on other sites More sharing options...
busdriver02 Posted December 10, 2016 Share Posted December 10, 2016 Just shoot your production load. It'll probably run just fine as is. Link to comment Share on other sites More sharing options...
ShortBus Posted December 10, 2016 Author Share Posted December 10, 2016 11 minutes ago, echotango said: I just change the powder amount and go down one on the recoil spring. No change to bullet or powder. Unless you want an entirely different load. I don't necessarily want a different load, just reliable minor. Heard some of the major powders get really dirty at minor levels, so there's that too. I really don't know, that's why I asked. 5 minutes ago, busdriver02 said: Just shoot your production load. It'll probably run just fine as is. I will for sure try this before I do anything. I guess I'm just assuming it won't and trying to get prepared lol. Link to comment Share on other sites More sharing options...
cecil Posted December 10, 2016 Share Posted December 10, 2016 I major/minor with my STI DVC... not much difference in noise level between major & minor... maybe because of the comp ? Link to comment Share on other sites More sharing options...
mscott Posted December 10, 2016 Share Posted December 10, 2016 (edited) I am using a 115 with 5.5 of Win Auto Comp for multigun and steel matches from a Trubor and Matchmaster. I use HS6 for major loads, but never tried to load it down. 8# recoil spring. Averages about 1,200 fps for 138 pf Edited December 10, 2016 by mscott Link to comment Share on other sites More sharing options...
Hi-Power Jack Posted December 10, 2016 Share Posted December 10, 2016 5 minutes ago, mscott said: I am using a 115 with 5.5 of Win Auto Comp I use my 124 gr MG JHP with 5.5 gr WAC, also - nice soft minor load. Link to comment Share on other sites More sharing options...
mscott Posted December 10, 2016 Share Posted December 10, 2016 4 minutes ago, Hi-Power Jack said: I use my 124 gr MG JHP with 5.5 gr WAC, also - nice soft minor load. I used it with 124s as well, but ran out of them and tried 115. no reason to switch back for me. Link to comment Share on other sites More sharing options...
ShortBus Posted December 10, 2016 Author Share Posted December 10, 2016 What PF y'all making with 5.5? I'm looking for like 130pf. Noise is the reason as well. Is faster powder s little quieter than slower? Link to comment Share on other sites More sharing options...
fastluck13 Posted December 10, 2016 Share Posted December 10, 2016 I have found faster powders to be quieter. Have you considered a different division or gun for indoor? Not sure how ofter you switch back and forth. Link to comment Share on other sites More sharing options...
ShortBus Posted December 10, 2016 Author Share Posted December 10, 2016 I really don't want to go back and forth on guns once I leave production I want to stay open. Link to comment Share on other sites More sharing options...
mscott Posted December 10, 2016 Share Posted December 10, 2016 26 minutes ago, ShortBus said: What PF y'all making with 5.5? I'm looking for like 130pf. Noise is the reason as well. Is faster powder s little quieter than slower? 138 with the 115s Link to comment Share on other sites More sharing options...
rdinga Posted December 10, 2016 Share Posted December 10, 2016 Zero 147 JHP, 4.0 grains of WSF, CCI primer is my favorite minor load in several guns. If you prefer 124's. Precision Delta 124 JHP, 5.0 grains of WSF, CCI primer. Link to comment Share on other sites More sharing options...
theWacoKid Posted December 20, 2016 Share Posted December 20, 2016 Take your major load, back it off 2-3 grains, drop down to lightest allowed bullet, go to 6 pound recoil spring. Test that it works, go have fun. Link to comment Share on other sites More sharing options...
Garmil Posted December 20, 2016 Share Posted December 20, 2016 Can you just drop down to 160 or so? Keep a real similar load and meet the requirement. Link to comment Share on other sites More sharing options...
motosapiens Posted December 20, 2016 Share Posted December 20, 2016 i can't detect any difference in the noise of open minor vs open major, but I use my super duper muffs whenever I RO any open guns. I would think that with the light recoil springs most competitors run, you wouldn't really need to change anything on the gun. I know my CZ Tac sport runs minor loads without any trouble, even with the stock spring, and even more better with the lighter 11-lb spring. Link to comment Share on other sites More sharing options...
ShortBus Posted December 20, 2016 Author Share Posted December 20, 2016 We had a guy drop his down a couple grains and it was still very loud. FWIW my tanfo production loads run ok but sluggish. I'm gonna throw a light spring in it and see if I can get the slide speed up a little. Link to comment Share on other sites More sharing options...
jcc7x7 Posted December 21, 2016 Share Posted December 21, 2016 My minor load runs out of my Bedell Open gun, brass dribbles out but it never doesn't clear. I run an 8 lbs spring for major When I drop down to 7lbs the slide cycles better Link to comment Share on other sites More sharing options...
ShortBus Posted December 22, 2016 Author Share Posted December 22, 2016 I just got my open gun and haven't had a chance to play with recoil springs, previous owner thinks it's a 10 in there. I bought a tuning spring kit from stoeger (#6-#12 I think?) I planned to mess with for both minor and major. Tomorrow I will be shooting my first match as well as first indoor with the gun and plan to show up a little early and see what weight will get my slide moving faster. The 6 shots infired of my production load dribbled out basically but I'm not worried about the ejection, more so wanting to get slide speed up. Will report backnwhat infond. Link to comment Share on other sites More sharing options...
dauntedfuture Posted December 25, 2016 Share Posted December 25, 2016 An open gun will be loud no matter what you do unless you take the comp off and that's not practical. Link to comment Share on other sites More sharing options...
ShortBus Posted December 25, 2016 Author Share Posted December 25, 2016 50 minutes ago, dauntedfuture said: An open gun will be loud no matter what you do unless you take the comp off and that's not practical. Not true. It's all in the powder. My gun was quieter than everybody who was shooting minor and the same as the other 3 guys who shoot the same load as me but out of production loads. Link to comment Share on other sites More sharing options...
RiggerJJ Posted December 25, 2016 Share Posted December 25, 2016 I use the same bullet and powder, and download powder to about 145pf. I do not need to change any springs or do anything differently except for the powder throw. Works fine... jj Link to comment Share on other sites More sharing options...
mikev49 Posted January 16, 2017 Share Posted January 16, 2017 Switch to a 95 Gr. Bullet from bayou or MG. Keep the powder charge and all your dies the same. It will make minor and be easy for you to reload both bullets without changing anything else Link to comment Share on other sites More sharing options...
ShortBus Posted January 17, 2017 Author Share Posted January 17, 2017 Major load is 10 grains of #7 under a 124gr coated bullet at 1.170 minor load is 3.7 grains of ETR7 under a 135gr coated bullet at 1.110 (my tanfo load) simply making minor isnt isn't what I wanted to do, I needed an actual minor production load. Indoors the slower powder at higher than normal minor PF levels is almost the same amount of noise. Shooting my normal production load the gun cycles fine and you can't tell the difference in noise between my gun and a tanfo. Link to comment Share on other sites More sharing options...
superdude Posted January 25, 2017 Share Posted January 25, 2017 On 1/23/2017 at 4:34 PM, 57K said: SB, TiteGroup is one of the more popular powders for this, but I wouldn't use it personally. Most of the faster burning powders will give a higher operating pressure at lower velocity which makes them better for Minor because they're in an optimum range, pressure wise. Slower burners like WAC, or slower, won't be. The pronlem I have with TiteGroup is its very high flame temperature that a good many have discovered by touching the slide after a number of rounds. N320 is also very popular and I would even try Vectan's equivalent: Ba 9 1/2 for economy. Why do you say there is an optimum pressure range? Optimum for what? Accuracy? Cleanliness? Link to comment Share on other sites More sharing options...
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