Originally Posted by MaTTy77

I have the same barrel shroud on mine and I have had no issues with it at all. I have about 550 rounds through it with no signs of it coming loose with no lock tight. I did however find it difficult to get my M-Lok screws to work where the shround enters the hand guard. I found that if you leave it loose while putting your accessories on it helps. I have the 8" version and could have done with the 6" and been happier. Thanks hope this hepls.