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.

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.

References

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

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[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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See also

References