I bought a 3 1/2 inch 410/45 colt Snake Slayer as a defensive item for when I travel. My anti-car jacking gun. When I 1st got it I thought the power was too much, I’m older & my tolerance to higher powered rounds is waning. But after 3 times at the range, I found a number of different rounds both 410 & colt 45 that work just fine. ...