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 )