The Trench Gunwas the primary shotgun in use by American and Commonwealth soldiers during World War II. It had a maximum ammunition capacity of 8 shells.
The Model 12 Trench gun is available for use in both Medal of Honor classic and Underground. It is a very powerful weapon, capable of killing an enemy in 1 shot to the head or chest at close range. It's unique among the weapons that appear in both original Medal of Honor games because it has different skins in these two games. However, they still have same behaviour, including sound.
In Panzerknacker Unleashed mission, shotgun bares the same skin as in original game.
In Single player, the player only gets to use the Shotgun in 2 levels: the manor house, the assault on Fort Schmerzen,and in Breakthrough, it is found in the harbor level (incognito) laying by a crate. It does high damage at close range, but beyond that it is outclassed by other weapons due to its slow rate of fire and inaccuracy.
In Multiplayer, the M12 Shotgun is available to all factions. It is alarmingly powerful, it's damage is very high at close range. But at medium range it is likely to only heavily injure the enemy, not kill them, and the M12 will do very scarce damage at longer range.. It is a devastator, and it has been so heavily used in most games, its use has become frowned upon
The M1912 Shotgun as it appears in Allied Assault.
The M1897 Trench Gun returns in Frontline, though this variant as opposed to the other variants, is the M1897 Trench Gun version, with a hammer at the back of the gun. It is exactly the same as the Allied Assault version, bearing the skin differences and the 8 shell capacity instead of 5. It is capable of getting a 1-hit kill on most enemies. It is usable in the missions "Needle in a Haystack" and "Several Bridges Too Far". Frontline version probably has the tightest pellet spread radius of all shotguns in franchise, even tighter than the ones in European Assault and Airborne( with barrel choke),so it is hard to kill enemies without aiming, something that was possible in early games.
The M1912 "Trench gun" appears once again, it is now more deadly at close range as well as long range and is quite accurate at both,things that shotguns ussualy lack. It is one of starting weapons in levels Operation Blindfold, Operation: V2 Silence, and can be found in level Farmhouse Liberation next to a Christmas tree.
This is a selectable weapon in Medal of Honor: Airborne. It is a very powerful weapon, with a medium rate of fire and high power, but low magazine capacity. It can be a one-hit kill even at medium-long range with the barrel choke attachment. It's primary limiting features are its large hip-fire spread and slow reload.
Barrel choke: Tighter pellet spread
Buckshot rounds: Increased damage
Bayonet: Increased melee damage and distance, kills all regular troops with one stab.
The Trench Gun makes it's last appearance in the Medal of Honor series in Heroes 2. It is often seen in promotional shots and gameplay. It is exactly the same as it was in European Assault, right down to the same weapons skin. It is available throughout much of the game, in the first level the player receives it, it is advised to swap out the starting M1911 for this gun and use it in conjunction with the M1928 Thompson.
In Airborne, the weapon is oddly reloaded using the right hand; other weapons were reloaded using the left hand, but still, the Trench Gun is still held using the right hand.
In Airborne, it can kill a Nazi Storm Elite 1 to 3 times in the head via melee.
In original game and Underground, if killed by shotgun at very close distance, enemies will die in very special manner: power of the pellets will throw out their head and chest so their fall bares much resemblance to a Fosbury Flip, athletic move used by high jumpers. This can sometimes be done by Bazooka, but you should be very careful and aim for helmet.
Oddly, shotgun is the most often found weapon in original game: it is starting weapon in 10 levels( in 4.,5., and 7. mission) and is found in level Sewer Chase.
Also, if dogs are killed by a shotgun in first two games, they will die with a howl that sounds like 'pooy'