See if you can guess them all correctly

[99PanozAIV]

 

[xracer41]

 

[99PanozAIV]

Oh well, nobody guessing. Left to right they are:
.22 long rifle
9mm
.38 Special
.357 magnum
.45 ACP
.22 Hornet
6mm Remington
.308 Winchester
.375 CheyTac

 

[Maggifinn]

Man, I wished I knew shit like this

 

[Fastfox750]

I made it to. 357