Gun grease or just oil on the slide?
Before I run 500 rounds through my new M&P 9, I'm a bit confused why so many use grease on the slide instead of gun oil which is recommended in the owners manual. Is this just personal preference, or is there a real advantage to using grease? I would think Smith and Wesson would have mentioned greasing the slide as an option if that reduces wear and increases functionality.
Last edited by RalphMP9FS; 06-16-2014 at 02:18 PM.
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