6 screw fasteners design with proprietary screw for easy
Flush fitment on receiver.
Inside Diameter: 1.39".
Spanner wrench needed to torque barrel nut to spec (not
included) and hex wrench.
All Rail Sizes do come with two 3 slots M-LOK or (1.58”).
Also included is two washer if needed for timing on all
Optional Sizes and Dimensions.
15” M-LOK location: 8 M-LOK sections of 1.26” at3, 6, 9,
12 o’clock location has only 5 M-LOK sections/ Top rail has 7 slots or (2.9”)
section of pica-tinny on the beginning and 6 or (2.45”)slots at the end of
rail, the rest of the rail is skeleton cut with 5 M-LOK section for perfect