gun slot

gun hole, gun loop, gun port, gun slot

A type of embrasure in a structure designed to provide protection in case of enemy attack; the opening enables a defender to fire through a wall, over a wide angle.
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Share the thrill of open-water, layout boat hunting in comfort with this user-friendly two-man boat, it comes with four strategically-placed grab handles, padded headrests, gun slots, canvas spray shield and camo gelcoat, plus it's easy to tow.