underwood ammo thanks : 357 MAGNUM VS 38 SPECIAL VS SHEET . Penetration test. This time I shoot the Colt Python using .38 Special and then .357 Magnum at the heavy commercial grade door. The results were incredible. shooting 24 gauge sheet metal with 357 magnum . thanks for watching and please dont forget to subscribe. THANK YOÜÜU (((THIS YEAR PLANT A . In this video, I compare the .38 Special and the .357 Magnum. Both rounds have extensive history in America, and have been around for more the 150 years .