Made in the USA!
5 Sided M-LOK, at the 90, 135, 180, 225, 270 Degree Marks
Octagonal Slimline Design
Thin Grooves in Extrusion for better grip
Barrel Nut and Shims included
Monolithic Top Rail
Internal Diameter – 1.31″
Available in 9″/10″/12″/15″ lengths