2.5 Shotgun (Trap and Skeet)

Gauge: 12-gauge maximum (most common); smaller gauges permitted but not competitive at elite level (ISSF Section 9); Action types: Over-under (most common), semi-automatic, or side-by-side (ISSF Section 9); Ammunition: Maximum load 24 g (0.85 oz) of shot. Maximum shot size 2.5 mm (No. 7½). Lead s...

Source: Section 9

Send this to your friend — argument over.