Military? .45 magazines


October 24, 2007, 01:23 PM
I have several of these magazines that I got somewhere eons ago and would just like to know anything about them. Markings on the bottom are...

ASSY 5508694
MFR 1M291


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October 24, 2007, 01:40 PM
"1M291" is Check-Mate

October 24, 2007, 01:50 PM
Should be very good mags!

October 24, 2007, 01:50 PM
"Check-mate" :confused:

October 24, 2007, 05:42 PM
Check Mate Industries is a long time government contracter for magazines.
Check Mate is considered a very high quality manufacturer of magazines.
Check Mate also sells retail, but you have to call. They have a web page, but don't have e-commerce set up.

1M291 is a code assigned by the government to identify the maker of the magazines. You have good ones.

October 24, 2007, 07:00 PM
Thanks, 10X. Sorry about not knowing. Got them loooong time ago and never seen those markings before.

October 24, 2007, 07:08 PM
You are welcome. I have a couple and got them a long time ago, also.
I wish I had bought more.

October 24, 2007, 07:36 PM
You can still get the same magazine from Check-Mate. Available in blue or stainless, and big discounts for 50-count orders. Small discount for 7-49 mags. Very good magazines.

October 24, 2007, 07:49 PM
Where from? Thanks, AC

October 24, 2007, 10:14 PM
Check-Mate Industries. Call'em up. Ask for Jackie. Tell her that you want the GI feed lips. The ones with the hybrid lips are better. 7-round. They're workin' on an 8-round magazine that looks like a winner...but I don't know if it's available just yet.

Jim K
October 24, 2007, 10:19 PM
Their contract mags are not as well finished as WWII mags, but they are reliable.


October 24, 2007, 10:35 PM
Jim...The new ones are. The stainless GI magazines are beautiful and they operate as smooth as butter. The blued version is a deep, semi-matte black oxide. Springs are as good as Wolff's, and as near as I can determine...offer the same strength and longevity.

October 27, 2007, 12:23 AM
Check-Mate Industries. Call'em up.
Phone Number? Thanks, AC

October 27, 2007, 01:28 AM
I have a couple of .45 ACP mags, still in the original wrappers that are marked...

Magazine Assembly
p/n: 5508694
1 Each
A - 9/79

Anyone know who made them??



October 27, 2007, 12:03 PM
Phone Number?

October 27, 2007, 12:18 PM
The Checkmate Hybrids are great magazines. They run a little bit under $20 for 7 or more in stainless (about half the price of Wilson's new mags).

October 27, 2007, 01:22 PM
FWIW...Full GI-spec magazine feed lips sometimes need adjusting for the correct release point. I've run into it in about 10% of the unused magazines I've bought over the years...and when I got a few of Check-Mate's end run of their last contract, I found the same to be true.

The "Hybrid" style lips provide the later, more gradual release of the GI mag, with a timed release point in the correct place. It's a Colt design, and CMI makes the magazines to Colt's specs. A little more versatile in most guns..and they come pre-tweaked. The price is the same.

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