The M1897 Trenchgun, or more commonly known as the Trenchgun by players, is an American pump-action shotgun that appears in every Zombies map of Call of Duty: World at War and the revised maps of World at War maps in Call of Duty: Black Ops.
The M1897 Trenchgun can be bought off the wall, obtained via the Mystery Box, and Console Commands. It possesses high power, a slow rate of fire, low to medium recoil, and decent accuracy. It is best at close quarters, due to its shotgun nature, and its high power can rack up many kills. It is good up to about round 15 without being Pack-a-Punched.
The Pack-a-Punched M1897 Trenchgun becomes "The Gut Shot," possessing more damage, a higher shell capacity, more held shells, and the ability to reload two shells at once. It is great for Hellhound rounds, as shotguns are the best against them, and it is still effective against zombies up to about round 25 to 30.