JLTVs can really be “tricked out” depending on how much the nation wants to spend on one vehicle. With a unit cost of around $370,000, the JLTV can get pretty pricey for one loaded with all the odds and ends for high-end combat. But one can get a combat truck outfitted with armament that rivals a IFV.
Here is one with a RWS with SPIKE ATGM, machine gun, Active Protection, and ATGM jammers.
Here is one with a 30mm RWS.
Here is a USMC one with .50cal CROWS II RWS and a Anti-UAV laser on the rear frame.