The following weapons were used in the film Aquaman:
Colt Model 933
Colt Model 933s are used by Kane's pirates who infiltrate a nuclear submarine.
Colt Model 933 with Surefire M900 weaponlight foregrip and M68 Aimpoint scope 5.56x45mm.
David Kane uses a F-88A1C Austeyr carbine.
Austeyr F-88A1C - 5.56x45mm
Ithaca 37 "Stakeout"
An Ithaca 37 "Stakeout" short-barreled shotgun is used by one of Kane's pirates.
Ithaca 37 "Stakeout" Parkerized finish with Synthetic forearm - 12 gauge
One of the pirates is armed with a Glock 17.
Glock 17 2nd Generation - 9x19mm
M203A1 Grenade Launcher
One of the pirates is armed with an M933 fitted with an M203A1 Grenade Launcher. A similar configuration is used by Jesse Kane (Michael Beach).
M203A1 Grenade Launcher - 40x46mm