Best powder for 204 ruger???

Winchester 748 and Ramshot X-Terminator with Sierra 39 BlitzKings and magnum primers...Works in both my AR and my CZ 527 Varmint...Powder charges between .4gr and .7gr below published max load..
 
Ramshot XTerminator for me!
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Meters like a dream, burns clean, kills like a laser beam!
 
If you look on 204R.com you will quickly see that H4895 is a powder that seems to work in alot of rifles as well as 10x. The very first loads I tried in my 204 was with 4895 and 3 five shot groups averaged in the .4's. Never tried anything else. I am pushing the 39gr Sierra 3850fps.
 
I ran 8 powders and 2 bullets through my new custom 204 last fall. The best combination was 10x and the 39 SBK. Every gun is different. My group was good enough to quit load development.
Powders tried
10x, 748, 335, 4895, Benchmark, Varget, 322, 2230
Bullets
39 Sierra Blitzking
40 Hornady V-Max
 
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