bore guide

напрямна (втулка) для шомпола (вирівнює шомпол з каналом ствола та запобігає пошкодженню під час обслуговування)

erosion of bore (in the bore)

axis of the bore

barrel bore wear level

bore brush (swab)

centerline of the bore

extended range full bore (ERFB)

helix along the axis of the bore

muzzle bore sight

rifle bore cleaner

smallbore (small-bore)

smooth-bore (smoothbore)

smooth-bore artillery

bore obstruction

bore-out-of-round

bore-sighting telescope

breech end of bore

burst in the bore

coned-bore antitank gun

conical progression of bore