Gunnery

Noun

 * 1)  The science of guns and gunfire including aspects of bullet flight and impact.
 * 2)  The design and manufacture of guns, particularly those of a large caliber.
 * 3)  A place where guns are tested, or where people are trained in their use

Thesaurus
archery, artillery, ballistics, casting, chucking, firing, flinging, heaving, hurling, jaculation, lobbing, missilery, musketry, pitching, projection, rocketry, shooting, skeet, skeet shooting, slinging, throwing, trajection, trapshooting