I was wondering if anyone has used paperpatching to increase bullet dia. for use in sabots. I've done it with bpc and had good results. My plan is to use 380. 250 gr.bullets 45 to 40 sabots in a converted 45/70 handi. Could you maybe teflon tape seeing as how the lead don't touch the barrel and the sabot grips the rifling, or should I just buy a .400 mold? anybody?