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10/20/2017 1:01:18 AM
9/22/2017 12:11:25 AM
Posted: 7/31/2005 2:19:35 PM EDT
I have 2 M1 Carbine mags that are marked with an R and a C with a upside down T inside the C (the C may be a circle, not sure) Who made these? I looked on Fulton-Armory and they didnt mention the C with the upside-down T. Thanks.
Link Posted: 7/31/2005 3:53:14 PM EDT
From Rawles webite:


C. Cowles & Co. C

Saginaw Steering Divison of G.M. KSG S'G' OI-S'G' G- S'G' SP-S'G'

and some more Saginaw codes... U-S'G' O-SG K-S'G' ISG KSG (inverted)


International Silver IS

Irwin Pedersen K-IP I-P-K IP-I C-IP UP

National Postal Meter UN MN

Quality Hardware UQ QU G-Q

Rock-Ola IR R-C RO RC R-G UR

Rugg Mfg. Co. (Greenfield, MA.) RUGG

Seymour Smith SS SS-4 R-SS

Standard Products SO SP

Stanley Works SW

Underwood IU LU UU IU [circled]

Union Hardware U

Wade Electric Products WEP [in curved type]

Winchester BW IW UW IW [circled]

And here are some as yet unidentified maker's marks... (Please send me an e-mail if you know for certain who made these.):

B [circled] (I've seen some cases of 100 that were marked Winchester, but packed with these "B" magazines-- could they be a subcontract from Bridgeport?)



S-C [stamped sideways]

O-S [in curved type]


SL [circled]

SQ struck out with a line, and SP-SG beneath it.

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