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Old 02-14-2017, 10:04 AM
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Am a newbie to loading my .357 mag. To date I have been using H110 behind 158 grain FMJRN bullets. My local shop does not stock H-110 but has Lil'Gun, A7 and A9. The Hodgdon web shows starting load for Lil'Gun at 16g compared to H110 at 15g and the Lil'Gun had a higher velocity and lower pressure. The starting load for H110 in my Lyman #49 is 16.3g and lists data for A7 and A9 so I can not make a straight comparison to the Hodgdon data. I would like to give Lil'Gun a try but thought I would post to the forum and ask the members their opinion on these 3 powders or perhaps other powders they are using. I shoot starting loads and not interested in the full mag loads. Shooting a Smith Model 19-4 with 6" barrel.
Thanks all from Western Wisconsin
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Old 02-14-2017, 10:10 AM
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Of those mentioned A9 makes the most sense. Reports of throat erosion with Lil'Gun, real or imagined rule that one out for me.
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Old 02-14-2017, 10:34 AM
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A7 and A9 are both good. For less than full snort, I think I would select A7. Really a crap shoot though. If I had A9, I'd be fine with it.

Cheezywan
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  #4  
Old 02-14-2017, 03:47 PM
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First off, H110/296 is/are full house only magnum powder, so even at the starting charge you're still shooting a stout magnum load, no getting around that with this/these powders.

Now Lil Gun looks very interesting to me. I've not used it before but those numbers almost look as if they are mis-prints. I'm not sure how it can push higher velocity than H119/296 at such significantly reduced pressure. I know pressure doesn't always tell the whole story with regard to velocity, but 15k cup is a pretty major reduction in pressure to produce those velocities. But given the pressures Hodgdon publishes on it I'd be interested in giving it a try.

I do like AA7 & AA9, both are very good powders, with AA9 being more of a full magnum purposed powder.

I've loaded with a loot of Blue Dot for .357 and it's a pretty decent powder for medium loads IMO.

SMOA
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  #5  
Old 02-14-2017, 03:58 PM
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I use AA#9 for .357 Magnum. So it gets my vote
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Old 02-14-2017, 09:29 PM
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I never loaded the Magnum with Lil'Gun but I tried it in the Maximum. Impressive but erratic velocities in my SuperMag and the revolver got extremely hot after just a few rounds. I won't use it again.
I have used AA#7 and AA#9 in the .357 Mag. AA#7 delivers consistent, accurate mid-range loads; AA#9 should be used for full-power loads.
Another powder you might try is Ramshot Enforcer. (AA4100 is the same powder; both are made by Western.) It burns approx. 3% slower than AA#9 and I load using #9 data. Very consistent and very clean burning.

Last edited by crossfire; 02-15-2017 at 03:36 AM.
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Old 02-14-2017, 09:47 PM
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AA#7 is a consistent performer in my .357 revolvers. Clean burning and can be downloaded better than the slower AA#9 and H-110/296
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  #8  
Old 02-15-2017, 07:41 AM
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.357Mag

.45LC -

HOWDY !

H110 and WW 296 are the same powder.

For .357Mag, I highly recommend 14.5gr WW296 and SP Magnum primer, under a ( Lyman )
SWC of 158 - 172gr..

Been my go-to .357Mag load for 40+yr. Worked great in my Marlin M1894SC also.


With regards,
357Mag
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Old 02-15-2017, 08:45 AM
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I am often guilty of not carefully reading/comprehending O/Ps, but it makes no sense to discuss anything other than the three powders the O/P mentioned, assuming you want to help the guy out.
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  #10  
Old 02-15-2017, 09:39 AM
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i like AA# 7 works good for me.
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  #11  
Old 02-15-2017, 09:43 AM
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AA#9 for me. My recent load tests;

Ruger GP-100, 6"
CCI 550 Magnum Primer
Bullet Gr. Powder FPS-Avg. StdDev Min Max Spread Notes
L-C-158gr LSWC 12.4 AA#9 1280 32 1240 1325 85 Most Accurate
12.2 AA#9 1270 33 1226 1308 82
12 AA#9 1245 14 1228 1265 37
11.6 AA#9 1225 36 1182 1278 96


Sierra 158gr JHC 12.6 AA#9 1225 16 1210 1250 40 Most Accurate
13 AA#9 1285 18 1268 1311 43
13.4 AA#9 1315 47 1249 1376 127
13.6 AA#9 1335 43 1272 1369 97

Hornady 158gr XTP
12.6 AA#9 1230 Accurate

For velocities in the 1,000 to 1200 range I've been using Alliant BE-86
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  #12  
Old 02-17-2017, 07:42 AM
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Thanks to all for taking time to share your knowledge and experience with your replies to my question. Am going to purchase a pound of AA#9 at my local gun shop next week and work up a load for my .357. Will be interested to compare the results to my H-110 loads.
I really enjoy this forum with such a varied range of subject and conversation.
All the very best from Western WI.
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  #13  
Old 02-18-2017, 05:06 AM
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Unique for that 357mag. Yes, I had to throw in a powder that the op didn't ask about as thread drift is standard.

Lil'gun as someone else said has reported higher temps causing throat erosion. I don't know if that is true or not as I've never tried it but with so many other powders out there I find no need to try it.

Save H110/W296 for the applications they are intended for: full house Magnum loads. Red Dot, Bullseye, Tightgroup, Unique, etc..many others to use wiithout finding out the the powder is bad for your gun firsthand.
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