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 5950-00-280-4939
NSN 5975-01-451-4415
NSN 5945-01-378-2262
NSN 5960-01-381-8475
NSN 6620-00-557-7008
NSN 5905-00-508-5658
NSN 6320-00-937-5625
NSN 5910-00-735-1293
NSN 5905-00-079-9348
NSN 6220-00-488-2152
NSN 5905-01-592-0681
NSN 6620-00-900-3986