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Chen SI "Shooter Installed" Magwell

Was: $199.99
Now: $149.99
476 reviews Write a Review
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SKU:
SI-Mag
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  • Free Two-Day Shipping

  • Manufactured in the USA

Simple installation by shooters - No gunsmithing needed!

The SI Magwell is the latest addition to the Stan Chen Custom Magwell family. It delivers greatly enhanced reloads, elegant design and maximum durability.

Solid, one piece construction.
 
FEATURES

Large sculpted funnel for dramatically faster reloads. Through careful CAD design, every last millimeter of available real estate was turned into reload-enhancing surface area.


Designed to very nicely match the beveled magazine wells commonly found on current production 1911s, such as Springfields, Kimbers, Dan Wessons and current Colts (2018 production with fully beveled magazine well) .

Most Colts made prior to 2018, and other frames without full magazine bevels, will require minor blending. (See pictures above). We offer a "Blend Kit" to facilitate this (located under "Accesories").

 

Eliminates sharp frame corners. Unique funnel profile eliminates sharp edges at front of magazine well opening on the frame. Smoothing of all surfaces on the entire part yields total carry comfort.

Low profile roundbutt. Flowing design. The lines of the entire magwell were designed to flow well with the pistol, giving the bottom of the pistol a cohesive, custom look.

 

Custom quality checkering. Equaled only by the very best gunsmiths. Perfectly formed diamonds, row after row. Even at 20x magnification. Enhances recoil control.

One-Piece Durability. Precision CNC machined from a solid block of heat treated steel. No joints or screws to work loose, ever.

Made in-house at Stan Chen Custom, Durango, CO, USA

 

Please click here to see if the SI Magwell will fit your 1911.

 

How to Install the Chen SI Magwell
 
Specifications:
Weight: Approx. 74g

476 Reviews

  • 5
    Chen SI Magwell

    Posted by M. Robison on 4th May 2025

    Installation was simple, Very minor shaping of the frame magwell to meet the new Chen Magwell. Checkering is crisp. Highly recommend!

  • 5
    SI Magwell

    Posted by Brett McLaughlin on 3rd May 2025

    Just finished the installation of my second SI Magwell in 10 days. Both were on recent Colt pistols, a Model O1911SE-A1 and a Model O4940XE Combat Commander. Truly dop-in, total installation time for each was 15 minutes, including removing grips, swapping the internals of the original MSH and installing the new SI Magwell. These SI Magwells improved the aesthetics if each pistol 100%. This is a quality product, fit and finish are outstanding, I could go on, but probably no need. If you have 1911 pistol(s), you need a SI Magwell.

  • 5
    Stan Chen SI Magwell

    Posted by Howard Mull on 27th Apr 2025

    Fit and finish are reeeeeeeaaaaaal nice! Install was pretty straightforward and no further blending was needed for my TRP Operator. Would definitely purchase again!

  • 5
    Magwell

    Posted by Griffin on 26th Apr 2025

    Magwell was easy to install and works perfect on my ruger sr1911 commander. Customer service was also top notch, wish I could give more than 5 stats.

  • 5
    Chen SI "Shooter Installed" Magwell

    Posted by Jason Greene on 25th Apr 2025

    Exactly what I was looking for and installed very easily. I completed the installation in less than half an hour and I am not a gunsmith by any stretch of the imagination. Perfect for my Springfield Operator 4.25 inch. Love it!

  • 5
    SI MAGWELL

    Posted by Bill Cupp on 24th Apr 2025

    Wonderful addition to my 1911. Great workmanship, great fit, beautiful design!

  • 5
    SI Magwell

    Posted by Colin Kelley on 24th Apr 2025

    This is my second one. I was so impressed with the first one, I ordered a stainless one for my most recent acquisition!

  • 5
    I was Wrong

    Posted by Will Nguyen on 21st Apr 2025

    I initially purchased a Wilson Combat Bulletproof Magwell thinking there couldn't be a better option on the market. As soon as I saw the photos of the Stan Chen Magwell, I knew I was wrong. The design and the fit is superior in everyway and the finish is just as good for a much nicer price. These are the best 1911 magwells.

  • 5
    Great fitment, execution of product is without peer!!Glad

    Posted by William H. Martin on 18th Apr 2025

    Glad to do business with you!!