For both of these vehicles I have inserted small magnets into the turrets and onto the end of the various gun options. This means that I can swap the armaments of these vehicles whenever I use them.
Claymore Heavy APC:
Claymore Support Turret Options:
Slingshot Multipurpose AFV:
Turret options for the Slingshot:
I've also finished the three scout vehicles that I began in Creating a Grymn Force II.
Gecko Scout and 2 x Gecko Pickup: