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Old 04-05-2003, 06:49 PM   #1
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Tripp Research"Cobra Mag"

I just picked up a dozen of the new Tripp Research Cobra mags. They look great. Those who know me from these fora know I have been a proponent of Metalform mags,I think these new Tripp mags are going to blow them away.

Virgil has some neat ideas: a variable height slide stop notch, a moutning system for the removable base plate that does not bend the tube,and a follower/feed lip design that presents the round .080" higher than milspec for better feed angle.

For those who don't know,Virgil Tripp was the "T" in STI and the "Tripp": in "Tripp/McCormick" so he knows whereof he speaks.
Anyone tried these mags yet? They work great in my single stacks, and I've even made some old nasty loose sloppy Colts feed modern profile ammo using these mags.

Feedback,please?
 
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Old 04-05-2003, 07:02 PM   #2
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Old 04-05-2003, 08:19 PM   #3
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So,wada ya think; better mousetrap? They sure seem good to me.
 
Old 04-05-2003, 10:18 PM   #4
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Ordered some from Virgil yesterday. Known him for 20 years off and on.
He was behind Chip's EDM hammer and sear about which I wrote an article for Front Sight magazine in the mid 1980's. I suspect he's got a winner with the Cobra Mags.

 
Old 04-06-2003, 09:34 AM   #5
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What is the pricing on these mags?

Tim
 
Old 04-06-2003, 09:53 AM   #6
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The Cobra mags are $45 each. AAAAAhhhhrrggghhh! Sticker Shock!

Like anything else, some will find they are priced to value, some will not.

It will be interesting to see what happens as people try them out and report back whether they are worth it. Talking to Virgil, hearing the background story, I found that the R&D and product testing he did was extensive.
 
Old 04-06-2003, 10:28 AM   #7
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Gawd, I hope he makes these in 10mm!!!!
 
Old 04-06-2003, 10:39 AM   #8
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Here's the package. Shows .45, .40 and 9mm/.38Super. No 10mm. Maybe later.

 
Old 04-06-2003, 06:44 PM   #9
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Just for the sake of discussion other pictures of Colt, CMC and Wilson mags for the feed height for comparison and a few measurements. One of the reasons the 9x23 and 38 super are such reliable rounds is the feed height in the mag in comparison to a 45. But case size determines that for the most part.

A comparison with a Colt mag is like beating up a girl. Why no comparison to say a proven, but dated winner, like the Wilson mag?

This is a new Colt stainless mag:



This is a CMC Power mag:


A Wilson 8 round mag:



The Colt mag picture easily compares with the GI mag from Tripp's web site. Yup, it is better than a Colt mag But then what isn't these days?

The Wilson and CMC certainly have a feed height very comparable to the pictures of the "new" ride height posted. Ride height is some what defined by the mag lip design. More so the ride height of the mag is defined by the design of the frame and slide of the 1911. I believe Wilson's design was the first to really take advantage of what space was available there. The Colt mag sets a round .112" below the top of an extractor. The Wilson sets a round .064" and the CMC leaves the round .070" from the top of the ejector (.006" is 3 times the thickness of a human hair btw) in my sample Colt gun with a Wilson ejector (shown with a CMC slide from Kimber production for comaprison sake on the Tripp's Kimber photos) . These mags are loaded and hanging on the mag release via gravity in my pictures. I could also move all of them up a good bit with my hand if I choose to for the photo. To the point that I could malfunction a gun. Make a quick comparison of the angle these pictures were shot at (from above) and the comparison of the shots from the side on a chopped Kimber slide posted above. The distance between the race way cut under the extractor hole, on the picture's left, appears virtually identical on the CMC, Wilson and Tripp mags. The Tripp mag may be a improvement but feed height isn't part of that improvement from what I see. Also worth noting that one of the weak links in mag design is the mill cut at the back of the tube because it is part of the lip support. The CMC and Tripp appear to have the same square cut on the mag (as does Colt). I would give credit to that square cut being the only weak part of the CMC design. The lips expand too easily on the CMC compared to the Wilson. The Wilson uses a circular cut on the back side of their mag to support the mag lips which have proven very durable over time. The Wilson looses on the follower and spring weight, both places where the CMC shines plus the CMCt has a slightly larger internal volume than the Wilson and why I now recommend the CMC.

Sorry I failed to mention, retail on Wilson mags: $32.92, CMC: $23.95
 
Old 04-07-2003, 04:38 PM   #10
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The new Cobra magazine might be a more expensive version of what already exists in the form of a Wilson or CMC magazine. In that case, so what?

I'm curious to know, however, what was Virgil thinking when he devoted a lot of time and money to developing this new magazine? I'm reasonably certain that he intended an improvement over what already exists. He's spending a lot of his own money to manufacture and market the this new product. Maybe there's more to it than what we see at first glance.

We'll see.
 
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