i recommend that you just buy the Speer .38 Plastic Bullets and Cases from midwayusa.com. They use a large pistol primer for propulsion and the bullets and cases are reusable. No reloading equipment is necessary and cleanup is minimal. A piece of carpet works well as a bullet stop. They will break skin so use the usual precautions. Ammonia can cause problems for your finish so I'd avoid it.

Best Regards,
ADP3