[umgud]

Gotta have a gun
Gotta have shot placement
Gotta have penetration/expansion is a bonus
Gotta be able to have quick followup shots

[MasterGunner01]

That being the case, then there's nothing like a Winchester Model 97 or Model 12 “Trench Gun” or an Ithaca Model 37 Riot Gun in 12 ga. with 00 buckshot. Pull the trigger and pump the forearm to dump 9 .33 caliber lead shot down range per shell. Either 54 or 45 .33 caliber shot on its way to you! Of course, with the ‘97 and ‘12 an M1917 17-inch sword bayonet for follow-up is very good.