M296 Magnum

The M296 Magnum (also known as the M296 SC) is an 8 gauge shell used by Misriah Armory's M45 Tactical Shotgun.

Trivia
Halo Waypoint erroneously refers to the M296 as an 18.5mm cartridge, which would make it 12 gauge. All other sources identify the M296 as 8 gauge.

List of appearances

 * Halo: Reach
 * Halo: Combat Evolved Anniversary
 * Halo 4
 * Spartan Ops
 * Halo: Spartan Assault
 * Halo: Initiation
 * Halo: Escalation
 * Halo 5: Guardians