#11
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Try slowing the 20gr Hornady to 3800 or less.
I don't shoot the 20gr as a full power load in the 17 Remington but I do shoot it in the AH and my smaller 17s and slower loads in the 17 Remington. All in 9 twist CZ factory barrels from 2400fps to 3800fps with good accuracy. Kenny
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#12
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Imr-4320
IMR-4320 is a favorite for the .17 Remington. I tried 6 or 7 different powders and no matter which bullet I was using the groups became more consistant with 4320. The standard load for my Cooper is/ BERGER 22 grain MEF bullets, Federal bench-rest primers, and IMR-4320. Many 100yd groups
had all five holes touching each other. Each rifle is different, but IMR-4320 is a really good one to start with. This rifle has become my favorite. Good luck and keep your powder dry.................Don in SC |
#13
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I have three loads for you to try 24gr of 4320, 24gr of Viht N140, or 23.5gr of H335, all seem to be quite accurate. Have good luck on fox, but have trouble making one shot kills on coyotes. Hope one of these loads work for you.
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#14
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Imr4320
Another vote for IMR 4320 for the 25's and I use H380 and Varget on the 30's.
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#15
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Temp Tolerant
I just bough a 17 Rem. I plan on buying a box of factory shells, just so I can shoot the gun.
I need to know of these powders listed, which ones are more temperature tolerant. I don't plan on working up a load till it get upwards of 70 degree. But don't want something that slows considerably in 10-20 degree weather. Also, does the 17 rem perform best with fast or slow powders? |
#16
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"Slow", if you consider...
... Win 760 slow. However, as good as 760 is, it's so temp sensitive that I don't use it any more.
Varget and Benchmark are "extreme" powders, and very insensitive to temp changes. The Hodgdon on-line manual shows them pushing 25 gr. bullets the fastest I have had good luck with Varget, but it is a "stick" (short, but nevetheless a stick) powder and you need to weigh each load. I've used a Pact dispenser for Varget, as well as Lee dippers and a Midway battery powered "dribbler." They take about the same time to load, and the Lee/Midway dribbler combo sure is less expensive. Benchmark throws fairly consistantly from most powder measures. Once set, there isn't a hairs difference between my RCBS Uniflow with the micro drum and my Harrells. The Harrells does have some features that blow the RCBS away, but that wasn't the question you asked. I'm sure there are other powders, but these two would be where I'd start if temperature was a primary concern. Alex |
#17
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Temp sensitive powder, never seen any. For 25 gr bullets powders that are close to IMR-4320 seem to do very well for me and some that burn a little faster like H-335 works good. For the 30 gr bullets i like to use a powder that is a little slower like N-140,N-540, win.-760. If you work up a load in 70 degree temp and go to shoot it when its 10 degree's you will see a loss in vel with most all powder brands. I use my 17 rem.s in the winter only and i work up my loads in the winter also, i can get some higher vel. loads this way without excedding max. pressure. If i decide i want to use one of my 17 in the summer then i have to use a different load.....
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#18
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I also stopped using W760 because of temperature issues. Don't need anymore variables to my reloading. Only use Varget and Benchmark now.
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#19
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If you're not looking for top velocity, 16.0 H4227 and the 20 gr. V-Max is a wonderful combination that gives good velocity, excellent accuracy, and keeps the barrel cool during extending shooting sessions.
John in Oregon |
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