Remington TB22B: Legendary Remington Thunderbolt .22LR Ammo. No matter what you put in your sights, prairie dogs, tin cans, or a target, Remington offers the perfect 22 rimfire ammunition for any occasion. Remington rimfire ammunition delivers the quality you expect. That\'s because they put the same level of care into making the rimfire ammunition as they do their centerfire ammunition, so you\'ll get the maximum performance from every shot.Note - This ammunition comes packed in a 500 round bulk box with 10 boxes in a 5000 round case.