▁ 1 2 ▁du cks ▁per ▁h unter ▁per ▁day ▁in ▁ 1 9 9 2 , ▁with ▁a ▁further ▁restriction ▁of ▁a ▁maximum ▁of ▁two ▁Austral as ian ▁sh ov eller ▁per ▁day . ▁ ▁Fe es ▁ ▁As ▁of ▁ 2 0 1 6 , ▁du ck ▁hunting ▁perm its ▁cost ▁$ 4 3 . 2 5 ▁for ▁adult s ▁and ▁$ 2 2 . 4 0 ▁for ▁children ▁and ▁con cess ion ▁hold ers . ▁In ▁ 1 9 8 2 , ▁the ▁equivalent ▁permit ▁cost ▁$ 1 2 . ▁ ▁Fire ar ms ▁▁ ▁D uck s ▁may ▁only ▁be ▁shot ▁using ▁" a ▁smooth b ore ▁fire arm ▁that ▁has ▁a ▁bore ▁not ▁exceed ing ▁ 1 . 9 cm ▁( 1 2 ▁gauge ) ▁firing ▁shot ▁no ▁larger ▁than ▁BB ▁( 4 . 1 mm ▁in ▁diameter ). " ▁P ump ▁action ▁and ▁self - loading ▁fire ar ms ▁are ▁prohib ited ▁unless ▁used ▁on ▁private ▁land . ▁ ▁In ▁ 1 9 4 0 , ▁du ck ▁hun ters ▁visit ing ▁South ▁Australia ▁from ▁other ▁states ▁were ▁required ▁to ▁register ▁their ▁fire ar ms ▁in ▁South ▁Australia ▁and ▁purchase ▁a ▁gun ▁license ▁for ▁ 5 ▁sh ill ings . ▁In ▁ 1 9 4 3 , ▁the ▁Commonwealth ▁Government ▁considered ▁b anning ▁du ck ▁hunting ▁for ▁the ▁year ▁in ▁order ▁to ▁con serve ▁am mun ition ▁during ▁Australia ' s ▁invol vement ▁in ▁World ▁War ▁II . ▁ ▁Comp liance ▁ ▁Hun ters ▁must ▁comp ly