| 摘要 |
A barrel assembly (10) including a barrel (11), a plurality of projectiles (12, 13) axially disposed within the barrel (11) for operative sealing engagement with the bore of the barrel, and discrete selectively ignitable propellant charges; wherein each projectile (13) is associated with a plurality of the propellant charges (16, 18, 20) for propelling the projectiles from the barrel. Operative sealing engagement may be provided by complementary end faces (22, 23 and 25, 26) formed on end portions of cup shaped casings (17, 19) containing the propellant charges (16, 18, 20) and on the body of the projectile. Suitably the propellant charge (16) adjacent the projectile (13) is initially ignited followed by the next adjacent propellant charge (18) in sequence towards the rear of the barrel (11), whilst the projectile remains in the barrel.
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