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
423 Reviews
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SI magwell.....
I have not installed it yet (waiting on grips) it will be one of my upgrades when I do a trigger swap. I can tell you however that this thing is impeccable quality......amazing fit and finish. Can't wait to get it installed in a couple days and start blasting hardball through paper and into the berm l.o.l. Like I said though, GREAT quality and I can't wait to get it installed.
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High Quality
Very easy to install. Great fit and finish, and no fitting needed for my stainless kimber pro carry ii. Very happy with this magwell!
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SIM
I recently changed my Dan Wesson TCP and Triarc Systems 5” 1911 to the SIM to match my ACW Quantico and two DW Specialists. Now every 1911 matches in magwell, sights and trigger. The SIM is the best flared magwell and allows for rapid reloads under stress. None finer. .
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SI Magwell
I have 2 of these. On my new NHC custom Garrison makeover and one my Kimber Pro CDP. Great addition and blends smoothly in both pistols. I will use another one soon. SC parts are premium
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Excellent upgrade
Just installed on base Colt Government Model. Really looks and feels great.
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Great Magwell!
Great Magwell fits my Springfield MC Operstor perfect. No gap at all.
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Worth every penny
This was an easy install. Fits perfectly. The backstrap (?), diamond cuts provide a very solid grip. Impressive craftsmanship.
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So magwell
Awesome company and awesome product. In my opinion it is the best magwell available!
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Thank you, Stan Chen!!!
Stan Chen SI magwell is now considered standard equipment on my 1911’s. The edge to edge ramp design and fit finish are just so much better than other magwells.
