| 摘要 |
A method of minimising misfiring or alleviating their consequences is provided by forming at least each trailing projectile (30) in a series of housed projectiles with a sealing portion (34) extending about a tapered anvil portion (31) and moveable therealong for expansion into sealing engagement with the barrel (11). The sealing portion (34) disengages forwardly in response to a misfire or the like to provide a bleed path for igniting the propellant charge (41) associated with the next leading projectile (30).
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