From Halopedia, the Halo wiki
Type:
Autocannon
Variants:
M50
In service:
Insurrection
The M50 Guardhouse is a turreted autocannon employed by the Colonial Military Authority and UNSC Navy. The weapon is primarily found on the Scholte-class missile corvette.[1]
Naval coilgun (LNT-450 • Castor) • Naval coilgun battery (11A2R1 • Mark 15 Breakwater • Spitfire) • Sentry • Gauss cannon (M65 • M68 • M68B • M70) • M92 Principle Gauss Cannon • Mini-MAC • "Super" MAC Mass drivers: Onager (Mark 2488 • Mark 2551) • Ballista