Colt magazine ???

**Bill Hollinger** · 02-25-2011 12:09 PM

Fellas, more than a few of my Colt 20 round magazines have an I inside a U on the edge. Who made these magazines? TIA

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**Highly Recommended** · 02-25-2011 12:09 PM

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**Bill Hollinger** · 02-25-2011 01:35 PM

I did find that UI for Colt is Okay Ind. Is this correct and if so, what does the UI stand for???

**Roscoe Snyder** · 02-25-2011 04:12 PM

Universal Industries. You will also find these with floorplates marked with an S over I in a box and
M16/M16A1 CAL 5.56mm
UNIVERSAL INDS. DIV.
SIMMONDS PREC. PROD. INC.
WEST HAVEN, CONN. U.S. icon

A.

**Bill Hollinger** · 02-25-2011 11:18 PM

Thank you Roscoe. All mine are Colt marked floor plates.

**Roscoe Snyder** · 02-26-2011 12:04 AM

If you have any with the black plastic follower and the floorplate marked
[Colt logo] CAL.5.56MM
COLT'S FIREARMS DIVISION
COLT INDUSTRIES
HARTFORD, CONN. U.S. icon

A.

look on the inside of the mag on the right side in the middle just below the feed lip. You will find an Okay logo.

**Bill Hollinger** · 02-27-2011 06:13 PM

I have four with the Okay logo inside four with numbers stamped inside like 6 and 8 and four with the UI. Thanks for the information. I learned sumpin today!

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