What is the best Black Ops 6 Marine SP loadout? You'll not often see someone running a shotgun as their primary weapon. Secondary, with that precious Overkill perk, sure, but with the smaller Face Off maps in Black Ops 6 and this incredible Marine SP build, you might just promote this gun to your top slot. Right out of the box, this powerful Black Ops 6 shotgun can one-shot kill enemies at close range, so, once you've set it up with the attachments from our BO6 Marine SP loadout below, it's a shoo-in for one of the best Black Ops 6 weapons. Not only is this shotgun a great secondary for the core 6v6 multiplayer Black Ops 6 mode, but it's a stone-cold killer in Face Off maps and a valuable asset in Zombies, too. Continue reading Best Black Ops 6 Marine SP loadout MORE FROM PCGAMESN: Black Ops 6 release date, Best FPS games, Best Black Ops 6 loadouts