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  #1  
Old 04-19-2018, 12:24 PM
Rocklong Rocklong is offline
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Default .17 Hornet

I bought a savage .17 hornet and I am shooting factory hornady 25gr hp ammo. I get a lot of primer flow and every one in a while it will pierce a primer. Has anyone else seen this with the 25 gr ammo.
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  #2  
Old 04-19-2018, 12:38 PM
17tbs 17tbs is offline
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Sounds like a headspacing problem coupled with either soft primers or an extra long firing pin. Or it could be your throat is way to short.
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  #3  
Old 04-19-2018, 02:26 PM
L Rivard L Rivard is offline
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Default .17 Hornet

Maybe too much clearance between the fireing pin and it's hole in the bolt face or breech block?
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  #4  
Old 04-19-2018, 04:01 PM
glennlasher glennlasher is offline
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Quote:
Originally Posted by L Rivard View Post
Maybe too much clearance between the fireing pin and it's hole in the bolt face or breech block?
Sounds right to me.
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  #5  
Old 04-19-2018, 04:46 PM
Rocklong Rocklong is offline
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The headspacing and throat are fine I measured them but I believe the part about the firing pin is my problem. One thing I did notice is that a fired case neck only measures .001 larger than a loaded case neck. Would that cause a problem like this.
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  #6  
Old 04-19-2018, 05:03 PM
elalto elalto is offline
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YES, a too tight chamber at the neck could increase pressures and cause what you are seeing with the primers.

You might want to try taking a little off of the neck on a few rounds and see if it helps.
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  #7  
Old 04-19-2018, 05:24 PM
moorepower moorepower is offline
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I bought 2 boxes of the 25 grain hp factory ammo and had a bunch of leaking primers. My Ruger is set at .063 hs if memory serves me. This stiff is loaded much hotter than 20 grain Vmax ammo. I bought it because I thought it was cheap shooting but several cases will have primer pockets too loose to reload. I am reloading them next week so I will update then.
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  #8  
Old 04-19-2018, 05:42 PM
B23 B23 is offline
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For what it's worth, my most recent CZ 527 17 Hornet only has 1.5-2.0 thou of difference between a factory loaded round, with 20gr Vmax, compared to my fired cases.
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  #9  
Old 04-19-2018, 05:43 PM
bridgeport bridgeport is offline
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I had the same problem with Hornady factory 25 grain out of my CZ 527 varmint in .17 hornet, and also had some split cases so now I won't shoot it. The accuracy was poor also.

Never had a problem with the .20 grain factory Vmax loads and accuracy is outstanding.
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  #10  
Old 04-19-2018, 06:37 PM
Rocklong Rocklong is offline
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Looks like I might just have to shoot the 20’s but what am I going to do with the 600 rounds of 25’s I have. Damn I knew I shouldn’t have bought so many. Anyone want to trade for 20 gr vmax.
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