lug screw

lug screw

n
(Building) a small screw without a head
References in periodicals archive ?
I would like to mention my rifle has a receiver dust cover attached via the exposed, straight-slotted lug screw.
I replaced the original band screw on the front handguard with a one-inch swing swivel lug screw, being careful to remove some extra thread so it wouldn't screw in far enough to contact the barrel.