Magnum primers have been used by several. I'm going to throw this out there realizing the cartridges are way different, but Elmer Keith used a LOT of 2400 in the .357, .44 Special, & later the .44 Mag. He ALWAYS said he used standard primers. I've shot a lot of it in the .38 Special & up, too never using mag. primers & with very good results.
Not wanting to start an argument, just offering what I've read & done.
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Hey. Tested 10 loads today with 357 bullets 125g
8 g of 2400. Mag primer. They all shot in the 1100 range. Realy supprized me how close they were, 10 times better than the stock off the shelf PMC junk.
1162, 1141, 1127, 1123, 1072 , 1146, 1139 , 808 ?? 1067 and 1156
yeh. 2400 realy dont need mag primers. Easy to ignite . Ill try a ( just got them today ) fed match primers and 4 lbs of HS-6.
Which I loaded a batch recipe up with that.
What does your bore measure?
Cat
Cogito, ergo armatum sum.
(I think, therefore I'm armed.)
Springfield stock 9 mm. I dont have anything to measure it.
Pretty nice low extreem spreads except for the one, that does happen now & then with no apparent reason.Originally Posted by Misskimo
Was your load compressed, if so about how much? Did you shoot any for accuracy?
Thanks
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About 85% to the top. So I would think its compress just a bit
yeh. somewhat. Will use bench table tonight.
I'll like to know how well they shoot.
Thanks.
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hey. Heres the groups. Ones on the left are PMC ammo on the shelf
only 18 shots on the PMC. (Flyer)
this was at 20 yards on a bench rest
The black dot on bottom of target was what I was aiming at
Last edited by Misskimo; 07-28-2015 at 08:57 PM.
Loade another batch tonight. 6 of each
8.2. 8.4 and 8.6g of 2400. 125g Colorado cast bullet
will check those out tomorrow FPS and accuracy to see if its maxed out yet.
Might can get 9 g in there. But small steps right now
Tested 18 loads today
8.2 g. =. 1159, 1128, 1079, 1146, 1172 and 965
8.4 g.=1148, 1124, 1133, 1110, 1171, 1118
8.6 g.= 1136, 1142, 1138, 1173, 1156, & 1133
looks like you can fill it up as much as you want
Accuracy Depends on your recipe that you like
8 g was good. Shot around 3" high.
8.6 shot at bullseye for my gun.
It's all about the harmonics of your gun on this load
I had thought that you might be able to just fill the case. Twenty four hundred is pretty slow for a pistol, especially a 9. That's great to see it done though.
Cool. Thanks for the data.
Cat
Cogito, ergo armatum sum.
(I think, therefore I'm armed.)
. Okay.
If you are bent on 2400. I would run a small pistol mag primer and a compressed load of 2400. It will cycle. It will also give you a wide velocity deviation and mediocre accuracy with unburnt kernels in your action. I know as I have already went there. Now in the 10mm with cast 2400 actually works pretty good with the heavies. Please keep in mind that the 9mm load was tested in a G19
Hey. Goodalloy. I can tell you didnt read back when I started .
Misskimo
It sounds like you are on the right track I think 1125 is about standard velocity for a 125gr bullet in the 9mm.
I think I'd pick the load that shot closest to point of aim.
I'm staying tuned.
U.S.A. " RIDE FOR THE BRAND OR LEAVE!"
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