My new Snake Slayer IV is now one of my favorite guns. We finally had a day above 15 deg. F, so I was able to test the gun. I tried Federal Personal Defense 410 Handgun 3″ 000 Buck, 3″ 4 Buck and some 45 Colt ammo. The 000 Buck is fairly stout, so I probably won’t be practicing with this shell until I get my Jumbo grips and am ...