New locking M-lok Quick Detatch Bipod Mount. Easily attach Harris Bipod style bipods (that attach on sling swivel studs) anywhere along the M-Lok rail. Press buttons and insert into M-Lok rail slot. Release buttons and press down to firmly seat the mount to the rail. Mount is now firmly attached to the rail. Use as normal (no tools needed). To release squeeze buttons and pull away from the rail.