Migra Combinational Load is the answer to multiple hunting situations. The engineered formula delivers uniform patterns and consistent bulk densities that deliver increased kill-ratios with absolutely no fillers. Combined with our patent-pending technology and carefully selected shot combinations Migra shells are deadly and reliable. – Gauge: 12 Gauge – Length: 3.50 – Ounces: 1 5/8 oz – Shot Size: 2 & BB – Muzzle Velocity: 1350 fps – Rounds Per Box: 25