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
How to Install the Chen SI Magwell
434 Reviews
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Magwell
Excellent quality, fitment, and customer service
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Chen SI Magwell
Exceptional product, great craftsmanship. I have this installed on both of my competition single stacks.
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Si Magwell
Nicely made part, little to no gap on frame. Took some fitting, but worth the effort.
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SI Magwell quality
The fit and overall quality makes this drop in magwell an excellent upgrade for my 1911
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SI Magwell
Finish was superb, part looked great, checkering was nice, fit into my early generation Springfield RO nice and easy. Fit is good, sadly there is a tiny gap between the frame and magwell. Many other reviews I have seen, they claim there was no gap. So I am unlucky or it was so minimal you really have to look for it. It functions great, looks great, wish there was no gap but in world of 1911 most things are not perfect drop in. This is as close as it gets. Great customer care, love the M&Ms, written thank you & the digital xmas card, all are nice customer service touches.
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SI magwell
Very high quality, just ordered 2 more !!
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Drop in Magwell
I gotta say this thing is better than bottle beer with twist off caps. Very easy to install, as per Stan’s video, and it looks perfect and just what I needed. Go buy one your 1911 will look better and you’ll be glad you did.
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Shooter installed magwell
Easy as the instructions show how to install. Would be nice to have the purchase option to already have the spring and pin installed so that it truly is a plug and play improvement. I get it is simple enough to do it yourself. But it would be nice to just take the part of the package and simply slide it on the gun. Other than that quality piece and quick turnaround time.
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Shooter installed magwell
Fit my trp operator full rail beautifully! Nicest 1911 Magwell on the market. As nice or nicer than the other big name Magwell manufacturers out there.
