1. Muzzle brakes (or lack of)

2. Thermal jackets/sleeves (or lack of)

3. Muzzle reference collimators (or lack of)

4. TURRET Shape and construction of turret Turret overhang Infantry rails
Stowage boxes and racks (bustles)
Spent case ejection ports
Markings
Size and shape of gun mantlet
Location and design of hatches, cupolas and sighting equipment
Lack of turret

5. Shape and construction
Cast turret
“Frying pan” shape
Welded Turret

6. Turret overhang (or lack of)

7. Infantry rails (or lack of)

8. Stowage boxes and racks (or lack of)

9. Stowage boxes (cont.)

10. Markings

11. Gun mantlet

13. SUSPENSION Supported Track Non-Supported Track
Number of Road Wheels and/or Support Rollers
Spacing of Road Wheels
Design or construction of Road Wheels
Track or wheeled

14. Non-Supported (Christie)

15. Supported

16. # of Road Wheels and/or Support Rollers5 3 4 1 2 1 2 5 6 3 4

17. Spacing of Road Wheels

18. Cast Road Wheels

19. Stamped Road Wheels

20. Tracks or Wheels