Preparing for an event this past winter I knew I would have my hands on my aluminum handguard for a long time in possibly very cold and wet weather. Wool gloves are always nice but I wanted to add just a little bit of protection against having bare skin contact metal for long periods of time. Rattle can truck bed liner came up and I gave it a try on my handguard getting a can of the stuff from my local O'reileys. The match sticks you see are plugging a bunch of tiny screw holes I did not want to have bed liner applied to the threads of. After prepping the surface the best I could I gave the hand-guard two coats and let dry over the weekend.
In hindsight I should have done a little more surface prep in roughing up the surface as well as applied a 3rd coat and perhaps found a wood stove or hot lamp to set it near to cure as I don't believe the long dry time I had with the weather that day helped adhesion much. After a few months of use some of the Liner has started to wear off. It does not peel or chip, it simply wears thin. It offers excellent grip and I will reapply and continue to use it. However other textured rattle-can applications could offer better wear resistance. Overall I'm pleased with the results....we never got the cold wet weather we expected but I did notice I had a better grip on the forearm while running the rifle instead of the slick aluminium I had before. Just something to keep in mind as a off the shelf option for a textured grip on your equipment.
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