A guide to cartridge headstamps.

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Re: A guide to cartridge headstamps.

Post by RRPG » Wed Aug 08, 2012 10:34 am

William

It would appear as though there is a great debate of the inclusion of 'IZ' on a 20mm headstamp, almost as big a debate as there is in telling the difference between American and British 'BBC' headstamps !

The 'I' is there showing a Mark No. 1 cartridge, and the 'Z' for nitrocellulose fill. However, virtually all 20mm were filled with neonite so why didn't they all show the 'Z' coding? Also, the cartridges were universal so a Mark I could be used in any weapon, so it's inclusion in the headstamp is fairly redundant.

Opinion of the experts is that it is a quirk of some manufacturers to include the information on the headstamp. It may also have been a way of differentiating Oerlikon and Hispano rounds, but the British used the OeZ headstamp so even that theory doesn't stack up too well.

In short, it stands for Mark I with neonite fill.

:)

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Re: A guide to cartridge headstamps.

Post by Wansdyke44 » Thu Aug 30, 2012 4:09 pm

Recent discovery was some .45 cartridges marked EW 4, (Eau Claire Ordnance Plant 1944). [:)
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Re: A guide to US Army Small Arms ammunition

Post by Wansdyke44 » Wed Sep 26, 2012 3:15 pm

Further information for the wary and worried regarding American Army small arms ammunition, should you come across such things:

http://i1099.photobucket.com/albums/g38 ... rcodes.jpg


Red Tip Bullet - Tracer
Orange Tip Bullet - Day tracer
Black Tip Bullet - Armor piercing
Silver Tip Bullet - Armor piercing incendiary
Green Tip Bullet - Armor piercing gemaakt in contract met GB.
Green Tip over White/Gray Tip Bullet - Frangible
Yellow Tip Bullet, red annulus - Spotter tracer
Yellow Tip Bullet - Hi pressure test
Purple Tip Bullet - Incendiary
Ocean Blue Tip Bullet – Incendiary
Last edited by Wansdyke44 on Wed Feb 27, 2013 9:24 am, edited 2 times in total.
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Re: A guide to cartridge headstamps.

Post by James/uk88 » Sat Feb 23, 2013 10:07 pm

Very informative, thanks for the info :)

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Re: A guide to cartridge headstamps.

Post by mrchud » Fri Mar 01, 2013 3:26 pm

Hi.
Another great thread, really helps with my finds.
does anyone ever clean or polish any of the cartridges they find?

Cheers.
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Re: A guide to cartridge headstamps.

Post by Dave8472 » Fri Mar 01, 2013 5:36 pm

mrchud wrote:Hi.
Another great thread, really helps with my finds.
does anyone ever clean or polish any of the cartridges they find?

Cheers.
Hi, people clean to varying degrees, I do just the bases on any with rotted tops, just to get the ID numbers and photograph, the top rim of the cartridge case can be quite brittle on ground dug ones, I have some nice ones given to me that come of the beach that cleaned up well ::g

There are some cleaned examples on my web site, http://www.8472.co.uk/" onclick="window.open(this.href);return false; follow the ordnance link

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Re: A guide to cartridge headstamps.

Post by RRPG » Fri Mar 01, 2013 6:44 pm

mrchud wrote:Hi.
Another great thread, really helps with my finds.
does anyone ever clean or polish any of the cartridges they find?

Cheers.
I normally give cartridges a good scrub with a tough scourer and that's it. I like to keep the relic patina. Every now and again I'll clean some back to shiney, as you will see in a thread in this forum 'What to do when you have too many 50cals'....

:)
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Re: A guide to cartridge headstamps.

Post by Wansdyke44 » Mon Oct 20, 2014 9:15 am

Not sure how long the link below will stay here, as the site owner has sadly passed away. However the information is comprehensive and worth sharing.

https://sites.google.com/site/britmilammo/home

RIP Tony Edwards.

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Re: A guide to cartridge headstamps.

Post by Expat Aussie » Fri Sep 25, 2015 10:41 pm

Plenty of interesting info there,however I found an American 1/2" case (spent) recently on the beach at Clacton where they have been recharging the sand on the beach from a sandbank offshore.The headstamp is U.T. 42. Obviously 1942 but U.T. ?

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Re: A guide to cartridge headstamps.

Post by MilitaryMetalMagnut » Sat Sep 26, 2015 12:27 am

Expat Aussie wrote:Plenty of interesting info there,however I found an American 1/2" case (spent) recently on the beach at Clacton where they have been recharging the sand on the beach from a sandbank offshore.The headstamp is U.T. 42. Obviously 1942 but U.T. ?
'UT' is Utah Ordnance Plant, Salt Lake City, UT ::g
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Re: A guide to cartridge headstamps.

Post by alloverover » Sat Sep 26, 2015 10:14 am

Heres an interesting one I had last weekend, found with loads of other military stuff, it appears to be from the trials of the BESA machine gun, headstamp KYNOCK 7.9 OR 8mm M (AUSER) .

https://sites.google.com/site/britmilammo/7-92mm-besa" onclick="window.open(this.href);return false;
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Re: A guide to cartridge headstamps.

Post by RRPG » Sat Sep 26, 2015 11:46 am

Very nice. There should be plenty more in the area if they were testing/firing a BESA. The one allied cartridge I have never found as yet.........so go find some more so I can trade you for a few!

::g ::g :D :D s;.. s;..
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Re: A guide to cartridge headstamps.

Post by alloverover » Sat Sep 26, 2015 1:23 pm

RRPG wrote:Very nice. There should be plenty more in the area if they were testing/firing a BESA. The one allied cartridge I have never found as yet.........so go find some more so I can trade you for a few!

::g ::g :D :D s;.. s;..
I only found the one Steve, you can have it if you want though its missing part of the cartridge. I found it on the Danebury rally so was military stuff all around, see the link mate ( looks like you have to click on the phots to see them properly) :D ::g

http://s1073.photobucket.com/user/allov ... t=3&page=1" onclick="window.open(this.href);return false;

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