The Sentinel Shield is a special ScaleACT judging category where all entrants must build a specified AFV model.
- 2019: Peter Davis – Tamiya Tiger 1 (Sturmtiger)
- 2018: Peter Davis – Tamiya 1/48 Type 10
- 2017: Clayton Ockerby. Matilda Mk. IV
- 2016: Peter Davis. Tamiya 1/48 Daimler Dingo.
- 2015: Chris Leeman. Tamiya 1/48 SdKfz 232.
- 2014: Peter Davis. Airfix 1/48 BAE Warrior.
- 2013: Shane Davis. Hobby Boss 1/48 Staghound.
- 2012: Ian Lucas. Tamiya 1/48 Hetzer.
- 2011: Shane Davis. Tamiya 1/48 Crusader.
- 2010: Peter Farrugia. Hobby Boss 1/48 KV Heavy.
- 2009: Chris Leeman. Dragon 1/72 Sdkz-thingy.
- 2008: Chris Leeman. Dragon 1/72 Sherman
- 2007: Chris Leeman. Dragon 1/72 T34/76
- 2006: Chris Leeman. Revel 1/72 King Tiger
- 2005: Chris Leeman. Dragon 1/72 M1A1
- 2004: Rob Melvin. Emhar 1/72 A7V
- 2003: Jerry Cashman. Revel 1/72 Cromwell
The name ‘Sentinel Shield’ is in homage to the AC1 Sentinel, the Australian-designed and manufactured tank produced during WWII.