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Old 08-02-2016, 02:21 AM
sd22 sd22 is offline
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Default imr 4166 for 204

Has anyone tried the new IMR 4166 powder for the 204?
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Old 08-02-2016, 04:27 AM
trotterlg trotterlg is offline
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I have wanted to try it in my 20 Swift, being non-temp sensitive would let you do some very fine load tuning, I have had good luck with 8208 which is also claimed to be non temp sensitive. You may find it a little slow for light bullets however. Larry
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Last edited by trotterlg; 08-02-2016 at 04:31 AM.
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Old 08-02-2016, 06:15 PM
Bill K Bill K is offline
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Default IMR 4166 for 204

I am working with it and like it in many ways, but I still can get better FPS, less pressure and use less powder with the old tried and true H or IMR 4198. Just a thought, I feel this temp sensitive thing is somewhat more of a marketing tool, rather than a fully proven fact. Temp/altitude, etc will make a lot of difference in our loads and the pressure we show at a given time while shooting. Bill K
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Old 08-03-2016, 07:37 PM
sd22 sd22 is offline
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I have been shooting 26.6 grains of h335 with a hornady 40 gr vmax. this has been a very accurate load for me but i picked up a can of 4166 after reading article. trying 2 different loads so far. accuracy marginal. still searching
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  #5  
Old 08-03-2016, 11:46 PM
Oleman Oleman is offline
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Quote:
Originally Posted by sd22 View Post
Has anyone tried the new IMR 4166 powder for the 204?
Hodgdon H322 the most accurate powder test in the Ruger .204. See the Ruger .204 site.
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  #6  
Old 08-04-2016, 02:51 AM
sd22 sd22 is offline
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yeah used 322 for another rifle and for several friends rifles but this savage hates that powder. tried my pet load of 22.7 322 rem 7 1/2 primer nosler brass and hornady 40 v max. would not shoot. This load has always produced crazy results in our savages. bought a model 12 from cabelas it hates this load. read article in varmint mag on 4166 tried it with a couple of different charges with so so results. more testing. so far h335 producing best groups.
Thanks always interested to learn who is having success with other powders never know when one runs dry. Kind of what we went thru with h4350 for my big guns. solved that issue, can you say multiple 8 lbs ers! lol
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  #7  
Old 08-08-2016, 03:35 PM
GrocMax GrocMax is offline
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I found 4166 very dirty (carbon) burning in 6BR. Worse than Varget.
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  #8  
Old 08-09-2016, 02:56 AM
AlbertaAl AlbertaAl is offline
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Default 204Ruger pet load

My rlfle is a factory CZ527 VARMINT
PET LOAD:
NORMAS brass
BERGER 35 grain
CCI BR4
25.6 grains N133
5 shot group @ 100 yds.
.143" @ 3721 fps 13.45 SD


IMR8208 produced very good velocities but the groups were slightly larger and SD was higher when compared to N133
I shot my best 8208 load twice.. both times it produced similar results.
EACH was a 5 shot group
27.5 @ avg. 3800 fps 30.24 SD .487" group
27.5 @ avg. 3807 fps 40.35 SD .468" group
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