Side mounted process by having an integrated MILSTD 1913 rail piece for sighting devices. Designed for use While using the M203. Posted by BRAD on twenty third Jan 2020 Great merchandise, suits like a glove, durable, solid and will have a beating. Took me a moment to setup it because https://collinxjtuh.blogunteer.com/28889909/not-known-details-about-ras-m4