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17 hmr accuracy problems
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danjojoUSMC View Drop Down
Optics Journeyman
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Joined: August/20/2009
Location: San Diego, CA
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Posts: 315 		  Quote danjojoUSMC Quote  Post ReplyReply Direct Link To This Post Topic: 17 hmr accuracy problems
    Posted: October/19/2009 at 14:47
Trade in for a .204 and just reload to keep prices close to the 17 Big Smile 
 
Seriously though, you never hear anything but very positive feedback on the 204, only thing I would get under a .243
 
"When I let go of what I am, I become what I might be"

Me explaining to my wife why I need scopes & shooting, "Every part of life comes into focus just as you are about to pull the trigger."
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John Barsness View Drop Down
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Posts: 679 		  Quote John Barsness Quote  Post ReplyReply Direct Link To This Post Posted: October/19/2009 at 20:55
hotshot,
 
What you are seeing is simply the differences between different lots of ammo--plsu the difference between hollow-points and plastic-tips. This is common with ALL kinds of rimfire ammo, believe me.
 
20 years ago I tried some of the latest "hyper-velocity" .22 ammo in one of my rifles and was getting super accuracy. Went back the next year and bought the same brand and it wouldn't shoot half as well as the previous stuff. Since then if I find a really good batch of rimfire I buy a big bunch--and quickly, before the next lot comes out.
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John Barsness View Drop Down
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Posts: 679 		  Quote John Barsness Quote  Post ReplyReply Direct Link To This Post Posted: October/19/2009 at 21:02
stork,
 
Fouling is not going to cause the rifle to shot tiny groups at 75 yards and then scatter them at 100.
 
.17 HMR's do need to be cleaned like centerfire rifles, and different barrels do vary in how much fouling they accumulate. But the symptoms you describe do not sound like a fouling problem.
 
.17 HMR's are affected by wind even more than most cartridges--and the effect will be more at longer ranges. If the wind came up just a little between your shooting at 75 and 100 yards that would also be a factor.
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tjtjwdad View Drop Down
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Joined: December/11/2007
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Posts: 123 		  Quote tjtjwdad Quote  Post ReplyReply Direct Link To This Post Posted: October/19/2009 at 23:22

If you can, try different brands of ammo.  As John Barsness pointed out, the curse of the rim fire's is you have to try out different ammo and when you find one that works, by as much of that lot as you can.

Also, as John pointed out, while the 17 HMR is a very zippy round, it is very susceptable to wind, even just a little.

Regarding the fouling, just shoot it some, most firearms after several rounds down the tube start to shoot better.  If your haveing trouble getting the copper out, use some strong cleaners like Sweets 7.62 and some JB bore past.  Between those two, the copper is usually removed.

As far as a 204 Ruger, thats a nice round too. 
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