A Montreal native, Côté always wanted to lead an unconventional life. He enrolled in the Canadian Armed Force via the Regular Officer Training Plan, which allowed him to attend University and obtain a degree in criminology. After graduation, he became an MP in the Canadian Army.
When his time in the Army was completed he joined the Royal Canadian Mounted Police and eventually became a part of the Emergency Response Team. After excelling in his ERT role he was invited by the Canadian military to re-up and become a member of JTF2.
Highly pragmatic, Côté will always take the shortest distance between two points. He is not one to mince words or become hyperbolic. He enjoys simple mechanical devices rather than the more high-tech arsenal employed by other members of Team Rainbow.
A Medium Armored Operator, Buck's unique gadget is an under-barrel mounted shotgun known as the "Skeleton Key", otherwise designated as the SK 4-12. This shotgun has a higher destructive potential than any of the other known shotguns.
- Buck, much like Sledge, is an Operator meant for quick breaches, as his Skeleton Key is able to break through non-reinforced surfaces better than any other available shotgun in the game.
- As to how much more destruction it creates, the Skeleton Key creates holes larger than other shotguns according to the Caliber-based Destruction model implemented during the Operation Red Crow update.
- Due to it having heightened destructive capabilities, shooting from a bit farther away from a surface is a viable tactic in spreading pellets out more for larger holes.
- Using the special gadget button (PC: MMB) will switch between Buck's current firearm and the Skeleton Key. The Skeleton Key operates like any other firearm.
- Although not meant to be used for combat, the Skeleton Key has a maximum damage of approximately 31 per pellet. Compared to other shotguns, the Skeleton Key's damage dropoff is greater, reaching 11 damage per pellet by 22m.
- The Skeleton Key holds 4 + 1 shells, with 16 shells in reserve.
- "Toggles under-barrel shotgun attachment on his main weapon."
— SK 4-12 Description
The Skeleton Key, an under-barrel mounted 12 gauge shotgun, allows Buck to swiftly breach and target hostiles. By changing hand positions on his assault rifle, he is able to quickly switch from ranged to close-quarter combat. The Skeleton Key is also an effective breaching tool to destroy barricades or create a line of sight.
- The name of the under-barrel mounted shotgun, Skeleton Key, alludes to the KAC Masterkey under-barrel mounted shotgun, as a Skeleton key is a type of Master key. The names of both shotguns allude to their use as door breaching shotguns.
- The weapon itself is based on the M26 MASS underbarrel shotgun. However, the actual attachment is bolt-action instead of semi-automatic, unlike its in-game portrayal.
- His blood type is O+ according to one of the pouches on his rig.
- A patch showing the flag of Quebec, Buck's birth-province, is present on his right arm.
- Update 2.0 Patch Notes - Black Ice
- Buck's In-game BIO > BACKGROUND section
- Buck's In-game BIO > PSYCHOLOGICAL PROFILE section
- Calibre-Based Destruction: Bullet Holes - Rainbow Six | Siege
- Buck's Shotgun: Damage Test - Rainbow Six | Siege