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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Chen SI "Shooter Installed" Magwell
good service and kept us up to date on delays after i finish this gun will be coming back for more - already have one on a 9mm
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Perfect!!
Best made magwell I have found. Perfect fit, made well, love the rounded butt. Perfect service to cap it off. I hit pay and the fedex man shows up 2 days later. Will be buying more when the blued mag wells get in stock
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Shooter installed magwell
Installed the SS version on two different 1911s. On one of the frames, a little filling was needed on the magwell msh rails, but fit was excellent on both pistols. Will buy again and I would definitely recommend them.
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Exceptional fit and finish!!
What a product! The sandblasting matched my Dan Wesson PM45 perfectly. Great tight fit. No movement, no gaps. Would she gets this magwell if you have a Dan Wesson. Gives an improvement in reloading and a sharp, clean look. Very pleased customer!
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Perfect !!
The fit and finish was absolutely perfect !! Looks Great and an easy install.... I loved the bag of M&Ms nice touch!!
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Customer review
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SI magwell
I purchased this magwell to replace the ILS mainspring housing on my Springfield Range Officer. Built it up with new internal parts. It slid on perfectly and fits like a glove. Looks great, and I think my mag changes will definitely improve. I'd buy it again.
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Excellent fit as always
Now to find some ammo for range time!
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Better than most
These magwells are just outstanding and very easy to install. I have one Wilson, I do think that the Chen are just nicer. Shipping was as always fast.
