1911 Officer Model Mainsprings

Designed to fit most officer model mainspring housings, these springs come in a variety of weights to allow to enhance the trigger feel of the 1911 officer model.

Part#: 18OMS, 18lb mainspring manufactured from Chrome Silicon alloy, ideal for 9mm or lighter .45cal loads

Part# 23 and 25OMS, 23/25lb mainspring manufactured from 17-7PH Stainless designed for increased corrosion resistance and performance.