Bandolier

Bandolier is a first tier perk in Call of Duty 4: Modern Warfare that gives a player the maximum amount of ammunition for the primary and secondary weapons when spawned.

Multiplayer Tactics
This perk is not advisable to use when playing "Search and Destroy" as there are usually only six enemies and you are given one life; the need for extra ammunition becomes less important. This perk can be helpful when using a Shotgun and the perk "Sleight of Hand" In such levels such as "Vacant" or even "Shipment" where ammo and fast reloads are important (especially on Shipment since if you get a Helicopter it can be devastating). This perk works well with weapons with a high rate of fire or players who have a tendency to use up ammunition quickly.