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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FANTASTIC magwell!!!
Installed on a Ronin 4.25 9mm and it is an amazing fit for “drop-in” part. I look forward to getting another for a TRP operator. Highly recommended part. Alchemy uses them for a reason!!
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SI Magwell
Fit and finish is flawless
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SI Shooter Installed Magwell
Very nice piece of kit! Installed in minutes using Mr. Chen's YT video and made a very nice addition to my DW Pointman. Highly recommended. PS: Peanut M&M's were delicious. Thank you
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Very nice
Required minor fitting on a Springfield lightweight operator. Cold blued with brownells product, fitting hidden by grip safety anyway. Quality product. The slightly rounded heel is much nicer in the hand. "Funnel" matches well enough that I will not be blending. Paired with some VZ grips. Finished product looks and feels great. I opened in front of my wife who immediately snatched the M&M's, perfect because she didn't ask about the item anymore after that, lol. Will be recommending to friends that own 1911s and will likely get more myself. Thanks!
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SI Stainless magwell
Great quality, nice people , I would recommend them without hesitation!! Support local business , they deserve our business.
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SI Magwell
Installed this magwell in my Springfield Ronin EMP 4 in. Had to do small modification, knowing before I order that this only fit government model. The magwell look great and quality was what I was expecting. I’ll be ordering more SI Magwell on my next build.
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My 2nd Chen SI Magwell
This is my second magwell in about 2 weeks. I loved the first one so much so I ordered a second one for my Range Officer. Outstanding product!
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Chen Magwell
Absolutely the best looking and fitting part for your 1911. Love mine! Waited a while to get more for my other 1911's.
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SI magwell
Extremely happy with the fit and finish of the magwell. Easy install with no fitting required. Looks great installed.
