https://www.taylor-tactical-supply.com/gsg-sig-1911-22lr-mw-arched-msh-silver-p/gsg-1911-22-slvr-mw-slvr-a-msh.htm
GSG / Sig Sauer 1911-22 Magwell with Arched Mainspring housing - Silver
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https://www.usa.bularmory.com/online-store/Mainspring-Housing-Internal-Spring-and-Pin-Kit-FS-Grip-p632109172
Mainspring Housing Internal Spring and Pin Kit - FS Grip
Internal spring and pin kit for the FS mainspring housing. Includes: Mainspring Mainspring Cap Retainer Mainspring Cap Mainspring Housing Retainer
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https://www.galatiinternational.com/mainspring-housing-checkered-stainless-flat-1911-45-auto-john-masen.html
1911 Flat Checkered Mainspring Housing - Stainless - John Masen Black Warrior available at Galati...
Save now on 1911 Flat Checkered Mainspring Housing - Stainless - John Masen Black Warrior at galatiinternational.com