ok so treyarch tweeted they have made it easier to get shotguns u need at least a 100 to 120 kd and have gotten past round 35 if u have a low kd here is a quick tip to raise it up put it on custom games round 20 or 15 difficulty easy and when u get in the game upgrade ur pistols run to jugg stairs and kill till u our out of ammo or about to die there u go hope this helped.............ur boy glitchingforfun