Having a small kit for cleaning your AR-15 at the range is a great idea; Wheeler’s Delta Series Compact Rifle Cleaning Kit puts it all in a diminutive package.
Wouldn't it be great if you could get the same electronic hearing protection in an in-the-ear device that you can find in electronic ear muffs? Etymotic has the solution.
For shooters that participate in active endeavors like 3-gun, having purpose-built eye protection that stays in place is key. It helps if it won't interfere with hearing protection, as well.