From Halopedia, the Halo wiki
Model series:
M8C
Operation:
Directed energy[1]
In service:
Post-Covenant War conflicts[1]
The M8C Grindell/Galilean Nonlinear Cannon (M8C G/GNC) is a nose-mounted laser cannon that is equipped on the G79H-TC Pelican gunship.[1][2][3]
In Halo 4 the HUD element for the M8C uses the M6 Spartan Laser aiming reticule.[1]
The Hud of the G79 in Halo 4.
AIE-486H • HMG-38 HMG • M199 HMG • M231 MMG • M247 GPMG series (M247H (Etilka) • M247T • M247 GPMGT) • M328 LMG • M413 HMG • M43 HMG • M67 LAW • M739 SAW (Appetite for Destruction • The Answer) • Sawtooth chaingun