Best in the market for me. - Troy Industries SRAIML115BT0 Battle Rail AR-15 Aluminum Black

I got the 15 inch M-lok Battle rail for my SAM-R rifle build. I love. It. Slim, strong, lightweight. Fit perfectly on a heavy profile Barrel. Just make sure you torque everything down to spec, and I just a little blue lock tight on all 4 locking tabs crank them down. Never had any issues with it rotating, or come lose. I do not have laser on it so I don’t know if it will shift. But to the best of my knowledge it haven’t moved on me. MY SAM-R is built for position shooting with 5.56 cartridge. All I have is a Glass and bi-pod.