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17 hmr accuracy problems |
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budperm
Optics Retard show me your sheep!! Joined: January/01/2009 Location: Pennsylvania Status: Offline Points: 31710 |
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I sure would like to hear an update on this!
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"Peace is that brief glorious moment in history when everybody stands around reloading".
--Thomas Jefferson |
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hotshot
Optics GrassHopper Joined: October/18/2009 Location: south la Status: Offline Points: 13 |
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Ive heard this before, however find it interesting. My Marlin 17 seems to like the 17grn CCI hollow points slightly better than the balistic tips (also 17grn) I was given a box of federal 17grn ballistic tips by a friend, and my gun shoots about 2" higher with the federal than the CCI
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tjtjwdad
Optics Journeyman Joined: December/11/2007 Status: Offline Points: 365 |
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Is this rifle bedded?
How many rounds have been fired through it? It's difficult to believe your barrel becomes coppor fouled after 10 shots.
How does the crown look? Make sure you clean from the breech and use a bore guide.
I have two heavy barrel Savages (one like yours and one with a heavy barrel with a standard/typical laminate stock). Both shoot godd but one of them definitly needed some work to get it to shoot.
Regarding ammo, both of mine prefer Federal TNT, followed by CCI TNT and then Hornady VMAX (all 17 grains). The Federal and CCI with the plastic tips didn't do to good.
HTH,
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stork23raz
Optics Journeyman Joined: September/10/2009 Location: Tennessee Status: Offline Points: 676 |
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There is not parallax problem. The first shoot always goes where its intended which makes me think of fouling or ammo. The rifle has less than 100 rounds thru it. I have done nothing to the rifle but buy it, put rings and scope.
I maintain and clean my firearms very well. The crown looks fine. I have been shooting the 17grain hornday vmax. One of my friends knows a gunsmith, he told him my problem and said the same as Originalbigbuck. He said hes known of it and it tends to be a fouling problem with copper laying in the groves and essentailly making the bore smooth. The gunsmith said you have to clean after 10 shots. Although with my rifle you only really get 1-2 accurate shots after that they just drift away. I prob wont be able to get any ammo for it right now. I gotta tighten my belt to get money saved up for xmas. |
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danjojoUSMC
Optics Journeyman Joined: August/20/2009 Location: NE Ohio Status: Offline Points: 329 |
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Trade in for a .204 and just reload to keep prices close to the 17
Seriously though, you never hear anything but very positive feedback on the 204, only thing I would get under a .243
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"When I let go of what I am, I become what I might be"
"Every part of life comes into focus just as you are about to pull the trigger." |
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John Barsness
Optics Optimist Joined: January/27/2009 Status: Offline Points: 785 |
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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
Optics Optimist Joined: January/27/2009 Status: Offline Points: 785 |
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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
Optics Journeyman Joined: December/11/2007 Status: Offline Points: 365 |
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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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stork23raz
Optics Journeyman Joined: September/10/2009 Location: Tennessee Status: Offline Points: 676 |
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I think figured out what is was. It was fouling, HORRIBLE fouling. Thats why the first shot was always dead on. I was using some hornady vmax. It was the only thing any store had in stock for about 6 months. I got some CCI , they always burn cleaner. I picked up a box of 17gr tnt. I went to the range fire about 50 rounds thru it. It was still cleaner than firing 3 or 4 of the Hornady. I ordered some CCIvmax and gamepoints, I expect them to group better. I also decied since the gun is shooting one inch groups w/ the tnt, and my 22 had a horrible cheap scope on it. Why not upgrade. So I moved the Burris Timberline 4.5-14x32 to my Savage 22. Picked myself up and Nikon 6-18x40mm with sidefocus and slaped it on my 17. Hopefully I will get to go zero them soon. I really hope that the CCI vmax or game poitns will bring my groups down some. Updates will follow |
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medic52
Optics Professional Joined: October/05/2006 Location: Missouri Status: Offline Points: 893 |
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Nice gun and scope it should serve you well, but I too have to say that fouling is not the issue. I have two of the HMR's andHAVE never had an issue with the Hornady ammo.....I think your upgrade of scope will help alot.....
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"The true soldier fights not because he hates what is in front of him, but because he loves what is behind him." G.K. Chesterton
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