We've recently released the M36 "Jackson" tank destroyer

2 different variants are available:
M36 - M36 turret on an M10 hull
M36B - M36 turret on a Sherman M4A3 hull

6mm is £0.70
12mm is £3.00
15mm is £4.50
20mm is £9.00
28mm is £19.00

The models are available in most scales.

LINK