MrGiggity - Verified Buyer
Q: Is this supposed to clamp on the barrel to attach the barrel shroud to the barrel?
A: Yes, here is a video for installation https://mcsus.com/blogs/tech-videos/video-tactical-ris-handguard-installation
Q: could I use a couple of these to secure an RIS to a barrel directly?
A: Yes you can, but it is not recommended