Dummy round

A dummy round or drill round is a round that is completely inert, i.e., contains no primer, propellant, or explosive charge.[1] It is used to check weapon function, and for crew training.[2] Dummy ammunition is distinct from "practice" ammunition, which may contain smaller than normal amounts of propellant and/or explosive.[3] For example, the M69 practice hand grenade[4] emits a loud pop and a puff of white smoke.

Military rifle drill round with fluted, perforated, and tin-plated case to distinguish it from a live cartridge.
Blue-painted Tartar missile Guided Missile Training Round on a Mk 13 naval launcher
Not to be confused with Dumdum.

A dummy is not to be confused with a blank, a cartridge for a firearm that contains propellant but no bullet or shot: a dummy does not produce an explosive sound like a blank does.

See also

References
  1. Brown, Edmund G. (2009). Handgun Safety Certificate. West Sacramento, California: California Department of Justice. p. 52.
  2. M922/M922A1 40mm Dummy Rounds (fas.org)
  3. M781 40mm Practice round (fas.org)
  4. M69 practice hand grenade (fas.org)


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