I started researching on the web and digging through my mags to see if I can tell who made which ones after I read “The Katars” post of “Colt, NHMTG, and Okay are all the same manufacturer and are true USGI spec made to the TDP.”
I’m probably the last person on earth to realize that in the last 25 years or so, USGI stuff had the manufacturers ID put on stuff and that is called the CAGE Number. So, I found several CAGE Numbers on the web and then started digging through my mags to verify what the web stated.
Hers’s what I came up with:
If I verified the Maker and the CAGE with mags that I own, I made the Maker and Cage Number BOLD and Underlined.
Center #6P199
Cooper #30389
FN #3S679
Labelle #90435
General Stamping #90435
Okay #33710
NHMTG #33710
Colt #33710
D&H #04TQ4
DSG #04TQ4
Bravo Company #04TQ4
Brownells #Not Marked
H&K #Not Marked
Parsons #31907
I grouped the different Makers with the same C# together.
I’ve read that D&H makes DSG and Bravo but I didn’t have a D&H mag to verify D&H’s C#. I put it next to DSG & Bravo so when someone verifies it I won’t have to modify the lsit.
If you have a mag that is not listed please send me the Cage Number on the mag and the Maker and I’ll add it to this list.
BUT we have to have a standard and this is what I think it should be -
If you have a mag that has a Cage Number AND the Maker stamped on the body of the mag, we will call that “verified”.
If you have a mag with a Cage Number on the body but no maker stamped on the body, send that Cage Number but note that the Maker info came from the bottom plate. This method would be unreliable because the bottom plates can be swapped out so easy but if we get enough people that have the same info of bottom plate maker and Cage Numbers, we’ll mark it as “assumed”.
I’m expecting to see Colt with several different Cage Numbers because I’ve read several places that different people made their mags over the years.
I was surprised to not see a C# on my Brownell’s mag since it is brand new.
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