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**Dr Rockso** · 10-11-2009, 10:26 PM

Keep it stored in a cool dry area and it will last a lifetime (or more).

**Mssr. Elegant�** · 10-11-2009, 10:27 PM

Originally posted by seanbo

How long can I expect my unfired ammo to last provided that it is stored well. Is there a difference between corrosive and non-corrasive? How about calibers?

All of it should last at least 100 years if it is stored in a cool dry place with few temperature fluctuations. Early non-corrosive primers has some stability problems, which is why military ammo stuck with corrosive primers for so much longer than commercial ammo, but modern non-corrosive primers are much better.

I regularly shoot 75 year old ammo that was manufactured in and spent most of its life in a third world country under who knows what kinds of conditions and it all fires and is pretty accurate.

**seanbo** · 10-11-2009, 10:47 PM

Well that's good to know. Some were I herd that corrosive ammo would last forever, but newer ammo only like 5-8 years.

**five.five-six** · 10-11-2009, 10:48 PM

I shoot stuff from WWII ore B-4 all the time

**forgiven** · 10-12-2009, 12:45 AM

Originally posted by five.five-six

I shoot stuff from WWII ore B-4 all the time

Me too.

**seanbo** · 10-12-2009, 7:11 PM

So is newer ammo going to last as long?

**team1320** · 10-12-2009, 7:13 PM

good to know since im stocking up...

**Lone_Gunman** · 10-12-2009, 7:46 PM

Originally posted by seanbo

So is newer ammo going to last as long?

No. You should send me all of your ammo that is more than 3-4 years old and I will dispose of it properly.

**seanbo** · 10-12-2009, 8:25 PM

I'll sell it to you in 2011! lol

**Mssr. Elegant�** · 10-12-2009, 11:08 PM

Originally posted by seanbo

So is newer ammo going to last as long?

There's no way of knowing until the newer non-corrosive ammo starts to fail. Like I said, my 75 year old corrosive ammo is still going strong. But my 50 year old non-corrosive ammo is also still going strong. There's no way to tell if one will last longer than the other until one of them goes bad. The stability problem of the early non-corrosive primers was fixed by changing the formula. We're all still waiting to see just how long the new formula holds up. Maybe in another hundred years we will be able to see if non-corrosive primers last as long as corrosive primers.