I know it's only an arm brace, but i like, like it, yes i do! (stones) - Strike Industries Stabilizer Edition FSA Single Folder

I have this on a MAC IX. Fits fine. I can't be mounted at the top of the pic-rail because it will interfere with the charging handle. But it's fine otherwise. It's feels solid and stands up well to shooting. Only 150 rounds so far, but I think it'll be plenty durable. I added the available cheek rest/riser, because my "arm" was more comfortable with it. I buy from at least 8 to 10 online firearm-related companies. OP had the best price at the time of purchase. Thank you, for great and consistent service Optics Planet!