A 16-gauge is the diameter of a one-ounce lead ball, for example. Shotgun shells in each gauge come in various lengths, from 2 ½-inches up to 3 ½-inches in some 12s and 10s. The length of the ...

While smallbores command a lot of the attention in the shotgun market these days ... 7/8-ounce, 1300 fps 28-gauge shell loaded with 6 or 7 ½-shot, and an 11/16-ounce, 1150 fps ...

Hevi Shot's Hevi-18 is now loaded in 28-gauge in a 3-inch shell, holding 1 ¼ ounces of No. 9 TSS shot, at a muzzle velocity ...