Magtech Shot Shell, 20 Gauge, 2.75" Loaded With 26 3t (ttt) Size Lead Pellets (.22") - Known In The Us Market As Size F, Which Is Slightly Smaller Than #4 Buckshot (.24"), Loaded By Magtech-cbc In Brazil For The International Market, Small Gauge Defensive Or Hunting Load With High Pattern Density, Velocity Is 1250 Fps, Hulls Use A Standard 6 Point Crimp For Reliable Feeding And Function 20bsa