Side mounted program with the built-in MILSTD 1913 rail piece for sighting programs. Designed for use While using the M203. Posted by BRAD on twenty third Jan 2020 Brilliant solution, matches like a glove, sturdy, reliable and can have a beating. Took me a minute to set up it for https://kacdropinrail84173.slypage.com/30039085/kac-rail-for-dummies