 Armourers are also responsible for the maintenance of all small arms used by the RAAF and generally run the maintenance workshops in all RAAF base armouries.Alternative names include "Gun Plumber" and "Cracker Stacker"

Distinctly independent of the other aircraft trades, their motto has been "Without armament there is no need for an airforce" since Lord Trenchard uttered the words prior to World War I, although armourers didn't actually exist then.In the early nineties the armament mustering (along with other RAAF aircraft technical trades) was disbanded and all were rolled into two musterings