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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Amazing... cannot be beat!
These are hands down the best drop-in magwells on the market. Not only do they look amazing, the form and function is perfect. I bought one for my SA TRP just to see, and ended up buying a second magwell for my DW Valor. Fit on both pistols was perfect! Stan is a talented individual, and treats every customer with the upmost respect and gratitude. I highly recommend the "Shooter Installed" magwell!
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Fits Perfect!
Fit Perfectly!
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Do It Yourself
I was really impressed... very high quality... extremely easy to install... improved my ability to reload.
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Excellent job.
2nd one I've bought.
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Chen SI Magwell Springfield loaded 1911
I have not worked on many 1911s so this was my first experience taking one down this far. Not a bad experience at all and I love it. Every bit as good as my Kimber and would recommend this to any 1911 shooter. Cant wait to buy another 1911 so I can put another magwell on!
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SI Magwell Kimber Warrior 2
Great magwell perfect fitment with the frame and grip. Due to the swartz grip safety on the Kimber model 2's I did have to file a few millimeter off the part that makes contact with the grip safety tang. If you don't the firing pin safety plunger will stay up and you won't be able to remove the slide. Took around 30 mins for the whole job. File and fit file and fit re blued and installed.
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super easy!
I have a custom built 1911 that was complete except for a magwell. This makes it look complete. The lines inside and out are perfect!
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SI Magwell
Perfect fit on my Springer and Dan Wessons (3). Matched frame and Finish beautifully. Great value.
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Great Product!
Best out there but if the feeding ramp can come polished would be even better!
