View Full Version : Winchester autocomp in 10mm
Got some of this powder and not much data for 10mm use.
Want to try it 10mm and 9mm.
Any preferred loads out there.
harley45
07-05-2015, 10:13 AM
I tried the 7.0 gr load under a 200gr boolit I got off Hodgdons website and it gave me about 125 fps out of my 5 inch 1911. Burned clean and was accurate should make a decent hog load.
I bought a pound to try in my G17 and S&W 1006, but I haven't tried it yet. I'll be watching this thread intently.
Shot some Powder Coated accurate mold 452220E FP boolits over 6.1 grains autocomp in my 45acp.
45 dies were ready to go.
they went inch and a quarter at 20 yards offhand.
If 9mm and 10mm loads shoot like that I'm going to get more of this powder.
I've read that it's Win factory powder.
Ruger45Bisley
07-13-2015, 08:50 PM
I don't have much, but here's a little for the 10mm (Glock 20):
180gr PD FMJ, 7.8gr AutoComp @ 1.250": 1,176 fps avg
200gr Rainier RNFP, 7.0gr Auto Comp @ 1.250": 1,088 fps avg
200gr Missouri Steeler, 7.0gr AutoComp @ 1.250": 1,147 fps avg
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