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Old 08-14-2015, 10:12 PM
Control Control is offline
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Join Date: Apr 2006
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STI Duty One: plastic mainspring housing?

Is the mainspring housing on the newer STI Duty ones plastic? I've searched everywhere but can't seem to find an answer.

If its plastic and I swap it out for a steel one the checkering pattern won't match the front strap...

Thanks!
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  #2  
Old 08-15-2015, 07:02 AM
1911_Bandit 1911_Bandit is online now
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Join Date: Jul 2013
Location: Eastern Iowa
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My STI Escort's MSH was, indeed, plastic. I needed to change it over to one with a magwell in order to eliminate some painful contact with my palm during shooting sessions. MidwayUSA offers a few magwells/MSH with chain link patterns that match up very well to the STI chain link pattern.

http://www.midwayusa.com/find?userSearchQuery=chainlink

I went with an Ed Brown model with magwell.

Bandit

Last edited by 1911_Bandit; 08-15-2015 at 07:18 AM.
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  #3  
Old 08-15-2015, 07:44 AM
Control Control is offline
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Thanks! The Duty One has a grid pattern however. It's not chain link.

I know that different models have different parts as well.

Anyone have specific knowledge of the Duty One mainspring?
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  #4  
Old 08-16-2015, 02:04 PM
usmcmp usmcmp is offline
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Plastic. I've had mine since 2007.
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STI DVC-P 9mm
www.sportingarms.com great customer service
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