The Gamo Combo Pack Performance .177 Cal Hunting Pellets exhibit a level of consistency that reduces the variation of size and weight for tighter groups. It includes 150 pack of Rocket .177 caliber, 9.6 grain weight, a 40 pack of Armor PBA .177 caliber, 6.8 grain weight, a 50 pack of Raptor PBA .177 caliber, 5.1 grain weight, and a 150 pack of Red Fire .177 caliber, 7.8 grain weight. This assortment includes 390 pellets total.