Big fan of vertical grips, personally, I believe they add a little more stability and comfort to your rifle. Whether you are shooting an AR or AK type rifles, I believe they make difference when shooting. This particular product was easy to install with help of some plyers and allen wrench or hex key. I easily installed it on to my handguard in as little as 5 minutes.
I've typically used the longer grips, however after replacing my handguard to M-LOK , I decided to rethink my setup, I'm glad I did, much more control of weapon than I anticipated, comfortable & fast transitions. My only "gripe" would be trying to tighten T-Nuts was..trying, but in the end a great choice.