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Posted: 9/13/2004 11:23:01 AM EST
Is there a length difference between the 7 round "47" and the 8 round "47D"?
Link Posted: 9/13/2004 11:54:15 AM EST
No.
Link Posted: 9/13/2004 11:57:39 AM EST
[Last Edit: 9/13/2004 11:58:02 AM EST by SGB]
Link Posted: 9/13/2004 11:59:30 AM EST
Sorry to hi-jack but,

Which one is more reliable out of the two? I have 3 Chip McCormick mags and I might want to buy some Wilson mags for serious use? (or are Mc-Cormick mags okay for serious use?)

Also another question. I was told that I shouldn't put 8 rounds in 1911 8-rounders (including Chip McCormick and Wilson etc) because once you start to do that frequently it changes the "dimensions of the follower spring" and will screw up the reliability of the magazine over the time. Is this true?
Link Posted: 9/13/2004 12:04:54 PM EST
That was my next question
Link Posted: 9/13/2004 2:18:55 PM EST
Wilson has issues with widening toward the lips because of cold forming (so I'm told) which causes the mag to fail to drop. Easy to fix though. I have been rotating 5 new ones through one pistol for 1,000 rounds and have seen this recently on two. For running the gun however, I have absolutely no complaints. Wouldn't hesitate to put a W 8 rounder in a carry gun.

Sorry I have no experience with the CM's.
Link Posted: 9/13/2004 4:47:14 PM EST
The eight rounders tend to fail to lock the slide after they are empty once they have some time under pressure from being loaded for months and months. I use only seven rounders and maybe more importantly, both Bill Rogers as well as Bill Wilson...the designers and originators of these mags...use only seven rounders for defense as well.
Link Posted: 9/13/2004 4:54:44 PM EST
I have used them in IPSC comtetition since the mid-80s. Most times I leave some or all mags under tension between matches. I always load them with the full 8 rounds.
These mags have always been 100% reliable in every sense of the word. I'd not waste my time or money on anything else.
Link Posted: 9/13/2004 4:56:31 PM EST
Wilson 47DC mags for me

All my Wilson mags work GREAT, even the ones I leave loaded, which is ALL OF THEM, ALL THE TIME........

I use Wilson 47DC mags in my carry pistol also, Kimber Pro CDP II, no problems at all.....
Link Posted: 9/13/2004 6:19:44 PM EST
I used to never believe the stories of 8-rounders failing.

Then it happened to me. I switched exclusively to Wilson 7-rounders.

The 8-rounders would probably work, if you changed the springs OFTEN. Something I don;t want to mess with that often...
Link Posted: 9/13/2004 7:36:29 PM EST
Thanks for the reply folks. So if I want my magazines to function 100% with little maintenance I should load only 7 rounds, and use either 7 rounders or 8 rounders.

Now, are Chip McCormick mags (1 x 7 and 2 x 8 rounder) considered reliable enough? I have 3 of them and they never jammed while the Wilson 8 rounder always failed to feed on the last round. Lumpy explained that this is a break-in issue.
Link Posted: 9/14/2004 9:17:04 AM EST
I prefer Wilson 7 rd mags, though the 8 rd mags run good as well. One thing to watch out for, the synthetic follower will eventually wear where it contacts the slide stop, which can prevent the slide from locking back on the last round. Usually takes a lot of range time for this to occur, and seems more prevalent on 8 rd mags (weaker springs).
Link Posted: 9/14/2004 9:31:23 AM EST
Try a Tripp Mag...You may just rethink how good Wilson's are. www.trippresearch.com
Link Posted: 9/15/2004 7:29:21 AM EST

Originally Posted By W-W:
Try a Tripp Mag...You may just rethink how good Wilson's are. www.trippresearch.com



Are these the mags with polymer followers but a metal engagement surface with the slide stop? hard to tell form the web site pictures....if so, I just might have to buy some of these...
Link Posted: 9/15/2004 10:27:10 AM EST
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