Chesapeake Model Designs

CMD16C
Vickers 105mm L7

Probably the most widely used 105mm tank gun
Barrel features nicely detailed fume extractor and metal barrel incorporating the muzzle ring.
CMD

as fitted to late model Centurians, Leopard 1s, JGSDF Type 74,
Israeli TI-67, upgrade packs for T-54/55/62s and Type 59s plus others.