Fiocchi Shooting Dynamics 3-Gun Match 12 Gauge 2-3/4in #7.5 1oz Target Shotshells - 25 Rounds - Fiocchi offers its Shooting Dynamics line of shot shell target ammo. Featuring single-piece wads and double-base powder for terminal performance ideally suited for training, Shooting Dynamics shot shells provide the economical solution for those hard-training days on the range. The main feature of Fiocchi's 3-Gun Match line of ammunition is a firm, radiused crimp that allows fast and consistent speed loading. It was developed in cooperation with Top Shooter Jerry Miculek known for his 20 world speed shooting records.