BDD Posted May 9, 2013 Share Posted May 9, 2013 Just curious what everyone is using for loads with VV N320? I have a sti edge and this is my current recipe and results. Bullet: 180 grn MG CMJ OAL: 1.190" Powder: N320 Load: 5.2 grn Results (10 rds, fps) 872.4 929.9 944.2 928.9 933.7 932.0 918.0 943.7 935.3 911.7 I know most of these make major, but it is so close. Would there be problems if I increased the powder level to 5.3 grn? Does anyone have experience with this? Thanks Link to comment Share on other sites More sharing options...
Croomrider Posted May 9, 2013 Share Posted May 9, 2013 Just bump it up until you get the velocity you need. If your barrel is not getting the velocity, it is most likely not making the pressure either. Are you getting any signs of excess pressure? Mike Link to comment Share on other sites More sharing options...
PKT1106 Posted May 9, 2013 Share Posted May 9, 2013 I would jump up to 5.3gr of powder, but make my length 1.200". Try that and see what it gets you. I have been doing testing with Rainier 180s and with N320, I always get 1 thats way low as well. Link to comment Share on other sites More sharing options...
BDD Posted May 9, 2013 Author Share Posted May 9, 2013 Thanks. yeah, no signs of excess pressure. I will probably bump it to 5.3 to see how it does. Link to comment Share on other sites More sharing options...
WillC Posted May 10, 2013 Share Posted May 10, 2013 (edited) I run MG 180 JHP at 1.120 (max length that will feed reliably) out of my CZ 75. Note that the JHPs require a far shorter COL than the FMJ/CMJ due the ogive. 4.6 N320 - 167 PF 4.8 N320 - 172 5.0 N320 - 177 5.1 N320 - 178 5.2 N320 - 182 Not sure why they're running slower in your STI. Hope this helps! Edited May 10, 2013 by WillC Link to comment Share on other sites More sharing options...
Croomrider Posted May 10, 2013 Share Posted May 10, 2013 Not sure why they're running slower in your STI. For one thing, he's loading .070 longer, so more case capacity! Mike Link to comment Share on other sites More sharing options...
mcbutler Posted May 11, 2013 Share Posted May 11, 2013 I load 180gr MG jhp Col 1.178 with 5.2 gr VVn320 fo 169/170 PF . Schuemann barrel. It is a handful at 5.3 gr. Cameron Limited. Link to comment Share on other sites More sharing options...
blaster113 Posted May 11, 2013 Share Posted May 11, 2013 Do you have to load at 1.190? I would try loading shorter to 1.180/1.170 to bump up the pressure a little to get the velocity up. also have to see if it will feed reliably of course. When I shot an Edge I used MG 180 jhps and N320. 5.2 grains of N320 at 1.180 oal got me 179+ pf at my first major. 5.2 grains of N320 is a lot with a 180 Link to comment Share on other sites More sharing options...
NinerRider Posted May 12, 2013 Share Posted May 12, 2013 My .40 180 MG load for my Edge is 5.2 N320@1.185 which puts me right at 168-170pf. I can pf with 5.1 N320 but the OAL needs to be about 1.165-1.70 Link to comment Share on other sites More sharing options...
BDD Posted May 12, 2013 Author Share Posted May 12, 2013 Do you have to load at 1.190? I would try loading shorter to 1.180/1.170 to bump up the pressure a little to get the velocity up. also have to see if it will feed reliably of course. When I shot an Edge I used MG 180 jhps and N320. 5.2 grains of N320 at 1.180 oal got me 179+ pf at my first major. 5.2 grains of N320 is a lot with a 180 I tried a OAL of 1.180, but it didn't always like to feed. I was using 1.20 until I saw the velocities with 4.8 gns. Link to comment Share on other sites More sharing options...
RHall Posted May 15, 2013 Share Posted May 15, 2013 Do you have to load at 1.190? I would try loading shorter to 1.180/1.170 to bump up the pressure a little to get the velocity up. also have to see if it will feed reliably of course. When I shot an Edge I used MG 180 jhps and N320. 5.2 grains of N320 at 1.180 oal got me 179+ pf at my first major. 5.2 grains of N320 is a lot with a 180 I tried a OAL of 1.180, but it didn't always like to feed. I was using 1.20 until I saw the velocities with 4.8 gns. Having feeding issues at 1.180 seems strange. Link to comment Share on other sites More sharing options...
CallMeBruce Posted May 17, 2013 Share Posted May 17, 2013 I use 5.2 with a stock Edge. MG 180 or Plated 180 both HP's at 1.185. PF right on 170 Link to comment Share on other sites More sharing options...
pjb45 Posted May 19, 2013 Share Posted May 19, 2013 In my limited experience a STI usually does not have issues with loading at 1.18. My SV will not feed factory as most STI guns will feed factory. I load at 1.18. The longer the OAL the more juice. Link to comment Share on other sites More sharing options...
BDD Posted May 21, 2013 Author Share Posted May 21, 2013 So I chrono'd again this past weekend. 5.4 grn of n320 = 170 pf in my edge. My buddy also fired 5 of my rounds out of his edge, and averaged a pf of 177. My gun has less then 500 rnds through it, so I am not sure if I should think about getting a new barrel or wait and see if this one will break in or something. Thoughts/experiences? Link to comment Share on other sites More sharing options...
Biloxi23 Posted May 21, 2013 Share Posted May 21, 2013 AT the MS Classic chrono stage I hit 168.9 out of my 6" AKAI with a 185 Precision Bullet over 4.6 grains of VV-320. Link to comment Share on other sites More sharing options...
Croomrider Posted May 22, 2013 Share Posted May 22, 2013 My gun has less then 500 rnds through it, so I am not sure if I should think about getting a new barrel or wait and see if this one will break in or something. Thoughts/experiences? What are you waiting for it to do? You have a load that makes PF, does it shoot good? Why would you be considering replacing the barrel? Mike Link to comment Share on other sites More sharing options...
BDD Posted May 23, 2013 Author Share Posted May 23, 2013 My gun has less then 500 rnds through it, so I am not sure if I should think about getting a new barrel or wait and see if this one will break in or something. Thoughts/experiences?What are you waiting for it to do? You have a load that makes PF, does it shoot good? Why would you be considering replacing the barrel?Mike Oh sorry, at 5.4 grn (170 pf) the primers are showing signs of high pressures (primers are flattening) which makes me nervous. Link to comment Share on other sites More sharing options...
RePete Posted May 23, 2013 Share Posted May 23, 2013 I've run 180gr plated with 4.7gr/N320 and an OAL = 1.125" for a PF of 169 in my Trojan but it came out at 176 from my G35. Link to comment Share on other sites More sharing options...
blaster113 Posted May 29, 2013 Share Posted May 29, 2013 wow, 5.4 grains of N320, 1.180 oal and a 165 grain jhp gets me 170.8 pf with my 6"; 5.4 grains with a 180 grain bullet must be a handful. I recall my old 180 grain MG loads with 5.2 grains of N320 as being unpleasant, just like shooting factory stuff. Link to comment Share on other sites More sharing options...
CocoBolo Posted June 9, 2013 Share Posted June 9, 2013 There is a easy cure for the problem, change to Precison Moly 185gr or Bayou 180gr bulltet. My Edge hit 170 pf with 4.4 gr of N320 with the Precision. Montan gold bullets are minimal diameter, Zeros are +.005 larger, but the Precison or Bayou is + .010 so it wil seal up your barrel better. I prefer these bullets in a limited gun. On the flat primers, that is a sign it is high pressure, and if you are not where you need to be then if you stick with the same bullets you need to go to a slower powder like WSF, IM7625, etc to reduce pressure. You didn't say which primer, Federal flatten out fairly quickly, no there is flat and then real flat, when the corners start coming off that isn't bad but when they go super flat well I'd worry a bit. I shoot 9 major and almost every load will take the edges down but not to the point where it is totally flat. If CCI's are flat oops. I'm a little more careful with 40 than 9 mm since I have blow the tops off some and split a few 40's. Nothing happened it just ruined the stage. Link to comment Share on other sites More sharing options...
deerassassin22 Posted June 10, 2013 Share Posted June 10, 2013 OP My load is 5.2gr N320 using a 5 inch STI Eagle at 1.160 with no issues AVG velocity is 985 making PF at 177.3 using 180gr MG CMJ. Link to comment Share on other sites More sharing options...
Yagi Posted June 14, 2013 Share Posted June 14, 2013 So I chrono'd again this past weekend. 5.4 grn of n320 = 170 pf in my edge. My buddy also fired 5 of my rounds out of his edge, and averaged a pf of 177. My gun has less then 500 rnds through it, so I am not sure if I should think about getting a new barrel or wait and see if this one will break in or something. Thoughts/experiences? You only have less than 500 rounds through it... i say... you need to shoot more ...shows us a pic of the flattened primer case... Link to comment Share on other sites More sharing options...
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