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.
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
528 Reviews
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Excellent one piece MSH with magwell
Quality MSH magwell, no adjustments needed, and it looks better than the other MSH magwells
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Shooter Installed Magwell
This magwell is simply fantastic. The fit and finish are superb, installation was straightforward, and it functions perfectly.
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Beautiful Design, Top Quality
When choosing the extended magwell to put on my gun, I did tons of research. I went back and forth between 1 piece and 2 piece models, and across the board on manufacturers. In my book the Stan Chen 1 piece user drop in came out on top. Great design and flawless finish. It just flows right into the gun. I am completely happy and will buy another if I get another 1911.
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Customer review
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Really Nice Product
Fast shipping and great product. I am very impressed with this magwel. Easy install on my Range Officer
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Outstanding
Perfect fit and finish. Immediately after putting one on my Ronin, I ordered a second one blued for my Valor.
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Great Product!
This is the best fit and finish I could’ve asked for right out of the box! Quick and easy install for my Colt commander. Very pleased with the overall quality and looks. Thanks Stan!
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VERY NICE maxwell!!
Fit perfectly with no fitting whatsoever! Could not ask for better. Finishes a very nice 1911 .45ACP giving it the refinement it was due. Also purchased the 'dent n' scratch'; hard to tell the difference. Well worth the price. Thank you, Stan Chen! Thanks for the tasty M&Ms included free with purchase! Would love to purchase, fit, and install the Chen Maxwell Gen2. Having worked out all the details on a busy 80%, I believe I have the skills to install.
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Great Product, Great Price
After a lot of research online, I ordered the Stan Chen SI Magwell and I could not be happier. Received the product in 3 days and after I watched the video, it only took me a few moments to install the new magwell. I highly recommend the Stan Chen.
