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Old 04-02-2017, 09:31 AM
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Some problems with old Hornady 20 gr ammo



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Wife and I were shooting today. Gun is a New England Arms heavy barrel 17 HMR. Fired several rounds and I happened to look at one of the empty cases..... the case was split at the shoulder. I then looked at the other shot cases and found four more that were split as bad or worse. These were the 20 gr loads and the ammo is several years old.

I am rather surprised about this. I know I have fired well over 500 rounds out of this gun and never noticed this before but then I was not looking either. Even not looking at each round I would think I would have noticed this over time.

Just wondered if anyone else shooting a New England or H&R had noticed this with that ammo through their guns.

I am going to give Hornady a call on Monday and see if they know anything.

Normally, I might think its a bad chamber but I just dont see that here... Not for the low round count.

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Single shot shooters only need one shot....

Bruce A. Hering
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Last edited by huntschool; 04-02-2017 at 10:08 AM.
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Old 04-02-2017, 12:38 PM
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Brass hardens with age. The 17 cal rimfires are known for split necks in just about any rifle. I wouldn't worry about it.
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Old 04-04-2017, 10:52 AM
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sicumj:

Thanks......
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  #4  
Old 04-13-2017, 02:16 PM
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Accuracy

Can you tell us if there was a loss of accuracy due to the neck splitting? Thanks.
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Old 05-20-2017, 09:03 AM
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I'm having issues with the old Hornady ammo splitting cases and getting stuck in my rifle. Not sure if new ammo is doing the same.
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Old 05-20-2017, 09:28 AM
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I have had lots of case splits. Never seemed to cause and issue. Haven't actually measured, but, doesn't seem to affect accuracy.
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Old 05-22-2017, 06:04 PM
grahamod
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older hmr

I am still shooting Hornady ammo from when the HMR was a new thing. The necks usually split but its never caused a problem and accuracy does not seem to suffer. Of course they split when they were new also.

Graham O
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Old 05-22-2017, 11:51 PM
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All the ammo I had split was quite old as seen above. The brand new/fresh stuff has not split. I did not notice any major accuracy problems with the old when cases split but I was not really worried about it either at that time.......

______________________________________
Single shot shooters only need one shot....

Bruce A. Hering
Program Coordinator/Lead Instructor
Shotgun Team Coach
Southeastern Illinois College
SCTP Collegiate Coaches Chairman
NSCA Level III
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