Tis a Gasoline engined variant, the AFV club or Academy ones are better
2nd one shows some pretty slick fellas reloading!
the second stage of the salt technique, slight variation of green to the last overspray, gives a very subtle result, but it doesn't look overdone, here's the front hull escape hatch.
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the peeling paint has worked quite well at the back of the turret just above the turret ring.
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the camera focused up this close shows up some construction mistakes, hairs, real dust...
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Nothing says "f*ck you, get some!!!!" quite like quick firing AA guns used against dismounted ground troops...
The M163 Vulcan 7.62 Gatling gun was trialled in Vietnam and used against ground targets. Highly effective I believe.