Convert your AR-15 platform rifle into versatile .410 Bore Shotgun with a Complete Upper Receiver Assembly.

This 410ARUM upper allows any AR15 to be converted to a .410 shotgun. The 410ARUM features a flattop aluminum upper receiver, an 18 1/2" barrel, chambered in 2 1/2" .410 gauge and a standard A2 handguard. It has front and rear flip up sights, one 10 round polymer magazine, machined aluminum fore end and choke tube.. This gas operated upper will mount to any standard .223/5.56 AR-15 lower receiver. Includes bolt and carry handle. Gas operated.

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"