I've no experience with the ones from Walker, so I can't help you there. I use a set of Peltor SportTac, which I've had for the past year or so. I've been quite impressed with them so far. Good protection and amplification, and battery life is pretty good too.
I use Walker Power Muff Quad because they have the highest attenuation I could find on the net. If I use lesser attenuation I need to use ear plugs and the muffs at the range. Even with these if I'm not going to engage in conversation I still use ear plugs and turn them up all the way.
I have one pair of them and they've been fine for me.
Note, if you are shooting at an indoor range or even an outdoor range where the shooting lanes are separated by hard walls you will probably want to use double protection combining both the muffs and ear plugs.
I have the Walkers Razor. They do what intended, but when I shoot my braked 30/378 Wby I add plugs to ensure I'm protected. I bought a cord online to connect walkie talkie to them, works great.
What I have now is two sets of Peltor Tac7 electronic muffs which were discontinued a few years ago which is too bad because they're excellent and have had a LOT of use by me.
What I want is bluetooth capable muffs similar to these with a very high NRR rating but they're sky high right now so I'll wait for the inevitable price reductions. https://www.amazon.com/dp/B00IOFKIYQ/?tag=lrhmag19-20
These are relatively new and from the 2 reviews aren't really user friendly yet but something along this line would be great for me.
I use my Peltor Tac7's ALWAYS when I hunt and when I shoot at the range. I hope to be able to hear well enough to continue using my hearing aids for the rest of my life but shooting a couple 4 hour sessions at the range each week is taking it's toll.
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I currently use walker ( razor ) and peltor ( tatical 6-s ), and i prefer the peltor.
The peltor sound much more natural, filter the wind noise a little better, and i feel i can hear everything with the peltor muffs i can hear with my natural ears.