C = Crouch
X = Lay down
Z = Iron sights
Q = Report in (americas army)
R = Reload
E = Action
T = Chat
Y = Team chat
1 = Prim. Wep
2 = Secondary Wep
3 = Knife
4 = Grenade
P = Pistol
G = Cycle Comms
H = Bipod
Right Click = Secondary fire
Left Click = Shoot.
Middle Mouse = Fire (Scroll up shoot the pistol hella fast)
And a nice little dot on my monitor for no-scoping:D