Literally anyone can equip heavy armor, a grenade, and a ak/m4 easily. Whole supply point system should be reworked at this point. There's no thought and strategy to picking weapons and balancing between armor/ammo and firepower. Why even have a supply points system when you'll always have 3 or 4 points left?
Most importantly make heavy armor 4 or 5 points, possibly more. This could solve the TTK problem while giving some value to armor.

Solve the TTK problem by increasing weapon damage across the board and nerfing heavy armor hard. Everything should be a one hit kill against no armor. Rifles should be a one hit kill against light armor, while pistols and SMGs are two shots. Against heavy armor, make pistols/SMGs three shots, make lower caliber rifles two shots, and higher caliber rifles one shot.