http://i.imgur.com/yvxW7HA.jpg. It appears that it would fit on an M4. My guess is the front sight/gas block fits within that hole. UGL? Bipod mount extender? :confused:
Combat Diver
02-12-2017, 09:05
Doesn't look like anything for a standard M4, M14, M16, Mk11, Mk12, Mk13, Mk16, Mk17, Mk18, Mk44, Mk46, Mk47, Mk48, M2HB, M240, M240 or M3 Carl G that I'm familiar with.
It's a "gazinta". Gazinta something or other.....
:rolleyes:
http://www.globalsecurity.org/military/library/policy/army/fm/3-06-11/image1424.jpg - PEQ2 mount