The crusader had at least 3 versions of AA turret, this is the mk1 with a 40mm Bofors gun mounted.
The tank was used in the first few weeks in NWE after D-Day but were withdrawn soon afterwards due to lack of enemy aircraft.
A simple conversion for the Armourfast Crusader model, it may also fit the Hasegawa one.
the last model shown is an Airfix Crusader and it seems to fit ok.
We also have the turret on special offer with the Armourfast Crusader model:-
Whilst we aim to make the conversion kits gamer friendly we have devised a skill rating to help you.
This kit skill level is A
72 scale conversion kit skill ratings:-
A = easy to assemble or simple add on parts
B = slightly harder to assemble a bit more time/skill needed.
C = harder to assemble with more fiddly parts and time need to complete