How long can .17 HMR be stored? - RimfireCentral.com Forums

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Old 02-01-2020, 10:16 PM
Acer Ace

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How long can .17 HMR be stored?



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I've got around 15K of .22LR squirrelled away, and was thinking of stocking away a few thousand .17 as well. I thought I remembered something about case necks getting brittle and cracking with age though? Thanks!
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Old 02-05-2020, 11:19 PM
tbates66
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Mine seems to be fine after 4-5 years in storage.
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Old 02-06-2020, 04:12 AM
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I don't know. I haven't seen a problem with Eley Mach II ammo yet. It's about 15 years old now. I think the cases are brittle when they are made or they are not. Stock up on the ammo as you can and don't worry if there is an occasional split in 20 years. It's not dangerous because the base will hold the pressure regardless of what the neck does. I hope to be shooting the original Eley 17 mach 2 ammo for at least another 20 years. Ammo well stored really doesn't have an expiration date. If it's not working well in 20 years it's either a bad lot to begin with or it was poorly stored. My buddy and I got some Winchester 17hmr and it's had some problems with splitting and hard primers. It's not very old at all. rc
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Old 02-07-2020, 08:16 PM
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I wouldn't worry about it. It should last just as long as any other bottle necked caliber. Brass hardens from being worked. It has different properties than pure copper.
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Old 02-07-2020, 08:56 PM
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1.5 yrs ago I shot some that was 10 yrs old with no problems.
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Old 02-12-2020, 07:04 PM
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I still have about 5000 rounds that are 7-8 years old......still perfect. All CCI
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Old 02-14-2020, 07:05 PM
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It happens. Rotate stock.
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Old 02-14-2020, 11:16 PM
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Quote:
Originally Posted by Eric Mayer View Post
It happens. Rotate stock.
And check your ammo closely. Hairline cracks are not always easy to see.
Esteemed member HUSHKABOOM has a thread about a kaboom recently in a bolt gun with a squib followed by a live one in a CZ.
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Old 09-22-2020, 12:01 AM
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So here's a situation I had with 17HMR. I purchased a Volquartsen 17HMR semi auto the first year they were made. A buddy of mine bought a bolt action Savage. Together we bought DEEEEEEEP in Hornady 17grn ammo by the case when it was like $5 box on sale. Anyways, we bought cases of it. Stored them away and years later long after the recall was done and gone I found then hiding in my closet downstairs. Called Hornady and Volquartsen as Hornady said it was too far past recall to be exchanged so I was stuck with it. Worried I'd ruin the chamber I called Volquartsen and the design guy I talked with said the cracked necks will in no way hurt the chamber. He told me it was safe to use that ammo, it just may not show the best accuracy. I looked through and could see some cracked necks and sorted out about 25 of them. I fired them separately and had no change in POI or noticeable group size at 50 yards. If Hornady and Volquartsen both tell me it's safe, I trust their word.
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Old 10-22-2020, 02:05 AM
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Just remember that the neck holds the bullet in place tightly. Add crack to neck and now the bullet is not held tightly. Some of the cracked necks on my old ammo would allow the bullet to be easily pushed back into case or pulled from case. Be safe.
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Old 10-22-2020, 03:00 AM
HUSHKABOOM
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Push them into case with your fingers.
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  #12  
Old 10-22-2020, 10:51 AM
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Quote:
Originally Posted by HUSHKABOOM View Post
Push them into case with your fingers.
Or in the magazine tube. Then allowing the powder to escape the case, making a mess of the action.
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