410ARUM shotgun conversion 10 Round Polymer Magazine. Holds 10 .410 shells.

Manufacturer recommends the following ammunition:
Remington Game Loads 2.5"
Remington Express Long Range 2.5"
Remington Premier STS 2.5"
Federal Personal Defense Handgun 2.5"
Federal High Brass 2.5" 1/2 ounce
Hornady Critical Defense .410 2.5"
Monarch .410 2.5"