a 357 cal. revolver cartridge WILL fit a colt 357 python. Also, a 38 special will fit a 357 cal. python. The 357 sig cartridge will NOT fit a 357 colt python................ The 357 sig cartridge ONLY fits the sig model pistol For clarity.....the sig 357 is a pistol. But, the 357 python is a revolver................
50-500 usd
Korth
100-1000 USD depending on specifics
100-1000 USD
100-1000 depending on what condition of "average" you are talking about.
250
Model 15
Not marked AFAIK
L
175 USD
fair brand new