I have this grip on my smith & wesson M&P 15-22, it works great. It's a little shaky until you apply pressure, so it may feel a little loose to you, don't worry, as soon as you bring it into your shoulder it is solid. It fits my hand well, not too big or small for an average size hand. Overall a good product for the money.
Pros: Lightweight, does what its supposed to do
Cons: Cheaper construction
This review was written in the old system and had content requirements that are different than reviews written today.