At the time of writing this review, I haven’t had any issues. It’s a simple mag release, but I know everyone’s concern will be the wear on the polymer mags. I haven’t seen any unusual wear at all. The button feels great and I don’t find it difficult to manipulate. I would like to point out that with the unique shape and how it is slanted forward, I don’t feel it in my support hand when I get a full grip on the gun. (Feeling an extended mag release in my support hand has been an issue I have personally come across with others that I have tried). For me, it’s a simple upgrade that I already have come to admire. You won’t be disappointed with this product.