Airguns are covered in NZ and AUS shooting magazines but to my knowledge there is not a dedicated one.
If you want to hunt pigs with just a knife on the other hand... plenty of those.
"Astrid" - Steyr LG110FT / Falcon T35S
"The Bangstick" - Falcon FN19 .25 FAC / BSA 8-32
Too many tinker projects, not enough working rifles.