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Old November 19, 2017, 14:14   #1
flejl
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Chip McCormick 10Round RPM 45 ACP 1911 Mags?

When I carried a 9MM HP, I carried with the factory 13 round mag, and had two 17 round KRD mags in the event things became really ugly.

I retied the HP from CCW and am thinking about getting a couple of McCormick 10Round RPM 45 ACP Mags for my current CCW, Commander sized 1911. The idea is carry with an 8 round mag loaded, and two 10 round mags for "just in case."

I would be very interested hearing opinions and experiences of these mags.
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Old November 19, 2017, 17:09   #2
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I have three of their older 10 rounders and bought three more recently, don't know if they are the "RPM" or not. I know I ran all of them at a 3 gun match last week and all worked fine, with one exception. May have been a double feed. In the heat of the match I quickly cleared it and went on without a lot of investigation. I was running lead reloads so the ammo may have been at fault. I also have 10+ of their 8 round shooting star mags I use for USPSA single stack division and find them to work 100%. Yes, I kind of like their mags in .45 ACP. I bought the extra 10 rounders because of a local 2 Gun match that allowed only 10 rounds in the pistol for an iron sighted rifle division. If I am limited to 10 rounds it might as well be .45 ACP.

I like your idea of a larger capacity back up mag. I carry a G22 mag backing up my carry G23.
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Old November 19, 2017, 18:44   #3
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Timber Wolf Thanks,

Since this is for a CCW reliability is critical so the idea is to find products that have a good track record before I consider them.

Then once I decide, "try the heck out of them" to be sure of reliability.

For basic range work or practice a FTF or FTE may not be an issue, but CCW is a different ball game.

I hope to never be in the position that I am forced to use the CCW, but if that is not possible, I like the idea of the larger capacity backup mag because at that point "things are bad" because mag #1 is empty and options limited...

Thanks
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Old November 19, 2017, 19:05   #4
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I used CM 10 rd 45ACP mags exclusively in USPSA limited for years. Never had to replace or repair one, ultra reliable. I used the ones with the spacer on the bottom, more comfortable to use and helps keep from over inserting a mag under stress and damaging something.
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Old November 20, 2017, 09:21   #5
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hkshooter,

Thank you
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Old November 21, 2017, 21:09   #6
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I had 4 of the 8 round McCormicks and 2 of the 10 rounders, all were flawless in my RIA GI model.
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Old November 22, 2017, 11:07   #7
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fnogger,

Thank you for you experience with these.
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Old November 22, 2017, 16:10   #8
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Two of them, no issues.

Obvious Caveat is obvious - as with any mag, you should run two boxes through each one new-to-you "just to be sure".
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Old November 22, 2017, 16:22   #9
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Story,

Thank you
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Old November 23, 2017, 20:45   #10
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I have not yet tried the 10 round mags from CM

I have used the 8 round stainless shooting stars for my full size govt model for many years with zero issues for both .45 ACP and .400 Cor-Bon

the 7 round match stainless also work well with zero issues in the officers model

I did some research looking at reviews & videos on the 10 rounders......

seems the power mag plus have better ratings than the other 10 round mags from CM

some claim the power mag plus have a anti-tilt follower, but from what I see on line it looks just like ever other follower in a CM mag


based on the CM web page the RPM mags are quite a upgrade, now I will have to get a few just to try them out

http://cmcmags.homestead.com/RPM2.html?_=1453760142897
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Old November 24, 2017, 10:34   #11
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guns and ammo article on the RPM mag


http://cmcmags.homestead.com/HANS-170028-MAG.pdf


I must admit that I am rather intrigued by the folding of the feed lip back onto itself to increase the strength of the lips in order to make the mag stronger, the improved follower is interesting too .....
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Old November 24, 2017, 15:57   #12
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Great information.

I talked the wife into ordering a couple 10 round mags for me, when she was asking ofr ideas for Christmas... these will go with the 300 rounds of Winchester White box 230 FMG rounds she already has for me.

Needless to say, I do not get them for a little while, but I will post an update when I get my hands on them and try them out.

Thanks
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Old November 26, 2017, 08:01   #13
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Used for competitions for ten years, had them for 18 years. I have left them loaded for months and no issues, like you the 8 rd for carry and ten for back up capacity. Stuff that works and way cheaper than the Wilsons which are considered the gold standard.
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Old December 06, 2017, 23:00   #14
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I use hollow points for my carry gun. If I carried a 1911 I'd be more worried about it jamming with hollow point ammo. I've owned at least 6 1911s and none would feed all hollow point ammo without a jam. I have a Sig 220, a S&W 4506, and a Springfield 1911 RO LW with a ramped barrel that will eat anything. Even the flying ashtray rounds. JMHO
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Old December 06, 2017, 23:15   #15
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My brother in law has a 10 round Chip McCormick mag. It and another mag he has both caused FTF and stovepipe malfunctions in his stock Springfield 1911A1 with 230 grain FMJ ammunition. I shot his gun with my 7 shot Wilson magazine and my light SWC target loads and fired several magazines without any failures.

I guess I should have tried his magazines in my gun for detailed comparison but it was late in the day and I was getting hungry. Not very scientific but the results were revealing.
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Old December 07, 2017, 08:57   #16
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Quote:
Originally Posted by Timber Wolf View Post

I like your idea of a larger capacity back up mag. I carry a G22 mag backing up my carry G23.
I do exactly this, and for any of my carry guns. I keep the flush magazine in the gun which is usually the lowest capacity mag available for a particular pistol, then carry 2 of the highest capacity for spares.

My regular carry is a Sig P320 .40 in the compact frame which has the compact magazine in it (with a respectable 12+1 already) and I carry 2 full-size extra mags with 14 each. 41 rounds makes for an effective "WRONG VICTIM MOTHER @#$@#$!!!!!!!!!!"
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Old December 28, 2017, 12:15   #17
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The mags came in a few weeks ago, but the wife wanted to give them to me for Christmas.

I have not had a chance to try them out yet, but here is a picture of the 1911 with the 8 and 10 rounds mags.

With original 8 round mag:
http://s350.photobucket.com/user/fle...tax6m.jpg.html

With CMC 10 round mag:
http://s350.photobucket.com/user/fle...b1ghi.jpg.html

Just for laughs, here is the rest of the 45acp clan:
http://s350.photobucket.com/user/fle...tml?sort=3&o=0

The commander model in the lower left of the last url is the one that I am using for CCW and will get the 10 round CMC mags.
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Old December 30, 2017, 01:57   #18
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Back when I was shooting IDPA matches on a monthly basis, all the guys running 1911 pistol were running CM 10 round mags and were as reliable as any mag out there.

As for carrying larger capacity mags for as your backup is a good plan. When I worked for the Highway Patrol, the Troopers who were assigned to the Governorís protection detail all carried Glock G18 pistol with a 17 round mag in the gun and carried three 33 round mags for backup. So Iíd say your on the right track in your thinking.
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Old December 30, 2017, 03:11   #19
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No experience with their 10-rounders. I did buy three of their 8-round Shooting Star mags several years ago, and they made me swear off CMC mags forever. They turned my dead nuts reliable 1911 into a jam-o-matic, right up until I replaced the followers with Wilson Combat units. They worked perfectly after that.

I'll buy mags from someone besides CMC after that.
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Old December 30, 2017, 17:12   #20
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I ran both mags through with 10 rounds each, ran well.

It was @#$%^ cold, so I did not play long.

These will now become my extra mags for CCW.

Thank you everyone.
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Old December 30, 2017, 20:20   #21
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Quote:
Originally Posted by TerryN View Post
No experience with their 10-rounders. I did buy three of their 8-round Shooting Star mags several years ago, and they made me swear off CMC mags forever. They turned my dead nuts reliable 1911 into a jam-o-matic, right up until I replaced the followers with Wilson Combat units. They worked perfectly after that.

I'll buy mags from someone besides CMC after that.
Ssssssshhhhh nobody wants to hear the followers are bad.
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