In BCM’s defense I bought the wrong product. I meant to get the sba4 which has a much more sturdy lock up system. This thing is just a smooth rubber shell that goes on a smooth metal buffer tube. Nothing but friction keeps it on. While the friction fit isn’t horrible it did move around some where it would work it’s way forward. I fixed this by Drilling a hole and passing a bolt through the brace At the desired length. It works fine but looks a little bubba’d. I will probably upgrade in the future. I own a kak brace as well and would honestly choose that over this.
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