Rip-off (or if being kind, homage) of Rambo has some hilariously bad moments and while parts were a slog to get through, but I had some fun watching especially the over-the-top acting and action (get a chuckle every time a grenade is thrown, baddies would fly back several feet even though the explosion was nowhere near them). The lead, Reb Brown, doesn't have a whole lot of charisma but fine for this kind of…