1911 Serrated Mainspring Housing - Ss/Ar Gm Mainspring Housing
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Aug 26, 2026
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MPN
4548AS
Description
An exact reproduction of the original factory mainspring housing, complete with vertical serrations that help improve grip but won't grab clothing. Finish-machined from a solid-steel casting; excellent for restoring or building any 1911. Mfg: John Masen SPECS: Blued (BL) or stainless steel (SS), flat (FL) or arched (AR). Fits Govt./Commander (GM) and Officers ACP (OM).
