function rWep(source)   
     if not    isPlayerInVehicle ( source )    then   
      local ammo = getPedAmmoInClip ( source )   
      local wep = getPedWeapon( source )   
      if    wep == 31    then   
       if    ammo < 50    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 29    then   
       if    ammo < 30    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 23    then   
       if    ammo < 17    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 24    then   
       if    ammo < 7    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 22    then   
       if    ammo < 34    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 32    then   
       if    ammo < 100    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 30    then   
       if    ammo < 30    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 38    then   
       if    ammo < 500    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 37    then   
       if    ammo < 50    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 28    then   
       if    ammo < 100    then    reloadPedWeapon ( source )    end   
      end     
      if    wep == 27    then   
       if    ammo < 7    then    reloadPedWeapon ( source )    end   
      end        
     end     
end

function playerSpawn ( )   
bindKey(source, "R", "down", rWep)   
end   
addEventHandler ( "onPlayerSpawn", getRootElement(), playerSpawn )