There’s also the logistical costs aswell, Challenger 3 is compatible with almost all the logistical equipment from Challenger 2, be it recovery vehicles to turret lifts. More importantly the spares are from UK companies for the most part, so there’s less risk of a Swiss ammunition esque issue of geopolitics effecting requisition.
the swiss only realy produce the anti air ammunition, so that not an issue.
Besides that the ammunition part is pretty redundant since chally 3s use the same ammunition as leopards
We only need to assemble the L55A1 of Challenger 3, the MTU883 engine of Challenger 2E, and the Iron Fist of Challenger BN together. We will get the best Challenger. Xd
i dont think it got the iron fist from the black night iirc i believe its the trophy aps that the merkavas are equipped with but im not 100% so surely someone will confirm