Metal Gear Solid 4: Guns of the Patriots

Heckler & Koch XM8

The Heckler & Koch XM8 is used by the Rat Patrol and other US troops in game. It can be found and used by the player in a secret area in Act 2.

Sig Sauer GSR

The Sig Sauer GSR is the standard handgun of the PMCs in game. It can be found and used by the player in Act 1.

M1911A1

The Colt M1911A1 is referred to as the "Operator" in game and is Solid Snake's handgun of choice. It is given to him along with the Ruger Mk. 22 by Otacon early in Act 1.

Heckler & Koch MP7

The Heckler & Koch MP7A1 is used by several of the PMC operatives in game. It can be first found and used by the player in Act 2.

Heckler & Koch MP5SD

The Heckler & Koch MP5SD is in the game, it can be purchased from Drebin.

Heckler & Koch HK21E

The Heckler & Koch HK21E is seen in the hands of rebel forces in the Middle East section of the game (Act 1). It can also be purchased via Drebin like most other firearms.

Heckler & Koch G3A3

The Heckler & Koch G3A3 is seen in the hands of the rebel forces in the South America section of the game (Act 2). It can also be purchased via Drebin like most other firearms in the game.

FN-FAL

The FN-FAL is seen in the hands of the rebel forces in the Eastern Europe section of the game (Act 3). It can be purchased from Drebin like most other firearms in the game.

FN SCAR-H

The FN SCAR-H, referred to as the Mk. 17, is used by the PMCs in game. It can be found fairly early on in Act 1.

FN P90

The FN P90 is used by the FROGs in game.

AK-102

The AK-102 is used by the rebel forces in the Middle East section (Act 1).