| 摘要 |
A firearm barrel cleaning shell including a casing carrying a primer at one of its ends and having an opening at the other of its ends. A blast conduit is positioned within the casing so as to receive the discharge from the primer and to direct the discharge toward the opening in the casing. A projectile is positioned within the casing and includes an ejectable plug that, before the discharge of the primer, closes the opening in the casing. A flexible tether connects the plug to an oil-saturated pad is positioned adjacent the primer and a solvent-saturated pad positioned between the plug and the oil-saturated pad.
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