This category includes Ammo Boxes 1 and 2. Capacity of Ammo Box 1s are around 45 rounds and Ammo Box 2 is around 130 rounds
The Ammo Box one is a true pocket hopper.
Many old pumps were run with Ammo Box 1 loaders. These are Old school and works great on an old pump marker. Don't feed great on fast shooting semis but work decent on pumps.