The following weapons were used in the film Brüno:
In a deleted scene in a gun show a salesmen shows Bruno his handgun which appears to be a compact Glock variant.
Mossberg 500A Field Gun
One of the hunters on Bruno's hunting trip also has a Mossberg 500A Field Gun.
Mossberg 500A Field Gun with 28" Barrel - 12 gauge
The hunter on the right with a Mossberg 500A Field Gun.
One of the hunters with Bruno carries a Mossberg 500.
Mossberg 500AT - 12 Gauge
The hunter on the left with a Mossberg 500.
The hunter fires his Mossberg 500.
Remington 870 Field Gun
During a hunting trip in an attempt to make himself straight Brüno (Sacha Baron Cohen) carries a Remington 870 Field Gun. One of the hunters carries on with a camouflaged finish.
Remington 870 Field Gun - 12 Gauge.
The hunter with his camouflaged Remington 870 Field Gun.
Carl Gustav M/45
In a deleted scene Bruno (Sacha Baron Cohen) checks out a Carl Gustav M/45 with a civilian legal barrel extension at a gun show.
Carl Gustav M/45 - 9x19mm
"Does this make me look cute?
A militant part of Al-Aqsa Martyrs' Brigades carries an unknown AK variant when escorting Brüno (Sacha Baron Cohen) out of Lebanon.
The militant on the left with an AK rifle.
In a deleted scene many firearms are seen in a gun show taking place somewhere in Texas.