Firearm Maintenance: Ruger Mark I,II,III Lubrication – Part 3/4
This guide, presented by Brownells, details the proper lubrication procedures for Ruger Mark I, II, and III pistols. It emphasizes applying a light film to the bolt, a single drop to the mainspring housing plunger, and using a needle oiler for precise application to the trigger and hammer. The instruction highlights lubricating metal-to-metal contact points to reduce friction and warns against over-lubrication, which can lead to malfunctions. The video is part of a series on Ruger pistol maintenance, with this segment focusing specifically on lubrication before final reassembly.









