good luck with that, the only one sometimes available is the Torro M16 MPG and it is expensive !
also the standard sound system in it does not have engine sounds, it only has gunfire sound from the 4 50 cal guns and the gears in the gun mounts are so noisy that you cant drive the vehicle, turn the guns and fireĀ and expect to hear it.
there is a 3d printable one on Cults, but its in 1/10 ish scale and does not look very accurate, but hey.. if you really must have one..
i wish there where more support vehicles available, but sadly people want tanks not fuel trucks and troop transports (like you can win a war with tanks alone .. HAH )
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Krijn
705th Armored Brigade. (Peterborough)