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Posted: 1/23/2006 10:57:46 PM EDT
I just reached into a box of 50 bmg ammo and came up with five diffrent headstamp markings anyone know what they mean?
TW4
EMZ84
.50 FNB85
TW35
12.7x99 MKE12-64
Link Posted: 1/23/2006 11:04:49 PM EDT
TW is Twin Cities

EMZ is Netherlands (Dutch)

FNB is FN

MKE is Turkish

The dates after them are the years made.
Link Posted: 1/23/2006 11:06:13 PM EDT

Originally Posted By rickbones:
I just reached into a box of 50 bmg ammo and came up with five diffrent headstamp markings anyone know what they mean?
TW4 Twin Cities Ordnance Plant, Minneapolis, MN
EMZ84 Eurometaal-Zaandam. Zaandam, Netherlands
.50 FNB85 Fabrique Nationale Herstal, Herstal, Belgium
TW35 Twin Cities Ordnance Plant, Minneapolis, MN
12.7x99 MKE12-64 Makina ve Kimya Endustrisi, Kurumu, Turkey




Link Posted: 1/23/2006 11:12:53 PM EDT
guess that means all this stuff is corosive. what is the good head stamps to look for?
Link Posted: 1/24/2006 5:50:35 AM EDT
[Last Edit: 1/24/2006 5:55:37 AM EDT by 50_Shooter]
It depends if the stuff has been remanufactured, if it has been then more then likely it's had the primers replaced with good ones.

If they haven't been remanufactured then the only ones that wouldn't be would probably be the FN rounds. As far as the others I'm not sure, the TW ones will be for sure but the EMZ and MKE are to hard to tell as they're foreign made. You could shoot them, you'll just need to clean accordingly when you get home from the range.

Do you want to sell a couple? I don't have a loaded EMZ or MKE in my collection. You can PM me here or email me at ar50shooter@hotmail.com

As far as good headstamps goes, you'll want anything past 1952 if it's American. Foreign stuff is to hard to tell, the Yugo/Bosnian (IK headstamp) was found to be mildly corrosive. It took 10 days to show signs of rust when it was tested but it did show up. There's just to many headstamps out there, if you have any questions about it just post it.
Link Posted: 1/25/2006 4:46:37 PM EDT
Sorry 50-Shooter, the stuff I did not Shoot I took back to the gun shop and exchanged before I read this thread or I would have gladly given you the rounds.
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