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AR15.COM
4/15/2015 10:42:04 PM EDT
I am looking for a arched MSH for my LW Commander. Looking for recommendations that fit.
4/15/2015 11:22:42 PM EDT
[#1]
Quoted:
I am looking for a arched MSH for my LW Commander. Looking for recommendations that fit.
View Quote

Assuming Ruger has a handle on proper tolerances for their 1911's any MSH will fit.

My Commander has a Ed Brown "Wedge" MSH that is sadly out of production.

Brownell's has pages of mainspring housings.
http://www.brownells.com/handgun-parts/frame-parts/index.htm?k=housing&ksubmit=y
4/16/2015 3:29:56 AM EDT
[#2]
"Drop in fit" can be a misnomer in the 1911 world, but from what I understand the Rugers are held pretty close to standard spec.

That said, I'm a fan of the RRA Mainspring Housings.

If you're looking to keep the lightweight theme going, you can save a few ounces with the Colt Polymer Arched MSH. They're light, affordable, and plenty durable.