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View Full Version : Corrosive primer use cut off dates on US Milsurp


BigSlick
10-25-2009, 08:52 PM
Anyone know the cutoff date on corrosive primers in different calibers of US Milsurp ammo ?

I saw a chart somewhere once with a headstamp/date code and cutoff dates for use of corrosive primers.

I just been notified I got some old school brass coming an maybe a lil bit of ammo, all 40 years old at least.

Not sure what calibers or headstamps, I'm supposed to be getting two big boxes full of stuff from a bud who ran across a bunch of stuff at a estate sale.

All he wants out of it is the powder and primers (naturally) and two presses. Says da rest of it is comin my way cause he'll never use it.

I like suprise packages :supergrin:

4eyes
10-26-2009, 10:12 AM
Sounds like you need to front your local contractor for the 3d storage building. Otherwise, where ya gonna put all the "Look what I got while I was gone" stuff?

:)

CZ93X62
10-26-2009, 09:03 PM
5.56 x 45 and 7.62 x 51 was all non-corrosive, as was all 30 M1 Carbine. 30-06 went from corrosive to NC between 1951 and 1954, excepting some match ammo through 1957. 45 ACP I'm unsure about, never saw a chart on it like I did the other small arms calibers.

JW6108
10-28-2009, 07:24 AM
http://www.frfrogspad.com/miscellt.htm#corrosive

BigSlick
10-28-2009, 04:52 PM
That's what I was lookin for ;)

Thank you jwp.

I've seen a couple of other charts somewhere, but can't find em for the life of me. One I've seen also covers BMG