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Questions & Answers
Will this work for rock island gi 1911 model? Expert Answer

Yes, this will work with any government size 1911.

by Todd, Gear Expert, August 10, 2021
Customer Reviews
Helpful Positive Review Great mags by Average shooter, January 7, 2020
So far the 10 rounders have worked flawlessly in my 1911. I’ve only put 100 rounds through them, but I have zero issues. They drop free and are easy to load. I just ordered 2 more to use in a completion next month.
1/1 found this helpful
Helpful Positive Review Flawless mags!! by Ricardo Gutierrez, Verified Owner, October 13, 2020
I bought 4 of these for my Springfield Armory 1911 A1 loaded and they fit very well. ZERO MALFUNCTIONS. They are worth the price. Very tuff feed lips ( rails). I like the finish on the stainless steel mags. Shipping was fast.
1/1 found this helpful
Helpful Positive Review great mag from cmc by Mac1911, Verified Owner, April 15, 2018
The magazine is well made just like their regular Power mags, new design allows a much stronger spring without extending the tube. So far have not have not had any feeding issues. I never had any issues with the regular Power mags & these seem even b...
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2/2 found this helpful
Helpful Positive Review Great magazine works most 1911s by EVIL E, Verified Owner, October 11, 2020
Seems to work fine with most 1911s even with a magwell. Bought for a Kimber Custom II with aftermarket magwell and it works perfectly. Build quality is better than any other magazine I've tried. Adding 3 extra rounds to most 1911 magazine is a nice t...
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1/1 found this helpful
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Certain firearm magazines and extensions are subject to maximum capacity restrictions based on state and local laws. Currently, we are unable to sell these products to some locations. For a complete list of these restrictions, please visit our policy page.

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Product Info for Chip McCormick Power Mag Railed 1911 Government .45 ACP 8 Round Pistol Magazine

CMC Products' RPM or Railed Power Mags are the strongest 1911 magazines ever made. The RPM design is the result of a relentless pursuit of excellence, maximizing reliability and durability under all conditions. The dual wall feed rails have revolutionized 1911 magazines. The feed rails built into the RPM are at lest twice as strong as any traditional 1911 magazine feed lips and provide the smoothest feeding surface.image

Specifications for Chip McCormick Power Mag Railed 1911 Government .45 ACP 8 Round Pistol Magazine:

Manufacturer: Chip McCormick
Gun Make: Colt
Gun Model: 1911
Caliber: .45 ACP
Magazine Capacity: 8 Round
Fabric/Material: Stainless Steel

Package Contents:

  • Chip McCormick Power Mag Railed 1911 Government .45 ACP 8 Round Pistol Magazine

Chip McCormick Power Mag Railed 1911 Government .45 ACP 8 Round Pistol Magazine Orderable Models

List of Orderable Models

CM Products Power Mag Railed 1911 Government Pistol Magazine, .45 ACP, 8 Round, Black, 1 Pack, Stainless Steel, M-RPM-45FS8-B-8RD , MPN: M-RPM-45FS8-B , UPC: 750958734716 , Code: X6-PMG-CMC49-M-RPM-45FS8-B-8RD
CM Products Railed Power Mag .45 ACP , MPN: M-RPM-45FS8 , UPC: 019962233005 , Code: X6-PMG-CMC49-17130-8RD
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