knights armament m4 quad rail Things To Know Before You Buy
The IBN system lets the rail by itself to act as the barrel nut when torqued onto the rifle, wholly getting rid of the necessity to get a independent metal barrel nut. M-LOK add-ons could be mounted anywhere alongside the URX four?s length, which makes it Probably the most user configurable types available on the market.?As it is possible to see, t