1911 Serrated Mainspring Housing - Ss/Ar Gm Mainspring Housing

Name: 1911 Serrated Mainspring Housing - Ss/Ar Gm Mainspring Housing
Brand: Brownells
Price: 28.99 USD
Availability: InStock

Sold byBrownells•Posted Apr 28, 2026

$28.99

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Deal Summary

Currently in stock.
Category: parts
SKU: 555101004
Brand: John Masen

Price History

Deal Details

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).