A paper, plastic and/or metal item of square or rectangular shape designed as an aiming point to be used in bore sighting a gun to bring the axis of the barrel of a spotting pistol, spotting rifle, subcaliber rifle and/or telescope sight(s) into coaxial alignment with the center line of a cannon tube or artillery trainer barrel. It usually consists of a series of quartered circles printed on a white background with alternate quadrants printed in black. Crosses, center lines and other appropiate sighting marks may also be included.
Classification: Instruments, apparatus and models, designed for demonstrational purposes, unsuitable for other uses, and parts and accessories
NSN 6145-01-538-9540
NSN 5996-01-348-4046
NSN 5930-01-469-3418
NSN 6130-01-417-4457
NSN 6220-00-271-4639
NSN 6105-01-446-1914
NSN 6685-01-459-1979
NSN 5915-01-422-7073
NSN 7035-01-099-2311
NSN 6320-00-036-3688
NSN 5985-01-652-4397
NSN 5895-01-508-0991