i have a old pair of caldwell electronic muffs but the kids bought me these for xmas they seem to do the job when shooting long guns. https://www.midwayusa.com/product/2099196673/radians-do-it-yourself-custom-molded-ear-plug-kit-nrr-26-db-silicone.
For hand guns is use the muffs...
I have the synthetic patriot with the dead ringer scope in 6.5 creedmore it shoots 1moa. I purchased a Nikon on Black Friday 3-9 x40 for it. Not sure wether I swap it out or wait until the scope goes south...