There is I believe a third option !
If I didn't want to go through all the work to shoot cast bullets successfully and I wasn't ready to dump the gun on the market I think I would turn to plated copper bullets . I'm not seeing what I would call a lot difference in price between the two anymore .
I have bought copper plated bullets for a semi auto from Xtreme Bullets . At holidays they offer great deals , discounts + free shipping . I was very happy with the quality and the price . IMO , I believe they would be satisfactory to use , solving many otherwise problems .