The Norma AD-LER - Magnum Power

Norma developed the AD-LER or Anti-Drone, Long Effective Range shell for use against drones in a military setting. The shell, due to this requires shotguns to be proofed for magnum loads. The shell also debuted alongside the Benelli M4 AI Drone Guardian model of shotgun. As a pair they are currently being marketing for military and police use.

More details here - https://www.capandballseo.com/dead-calibers/shotgun-shells/norma-ad-ler-12-guage/