The pistol they call the Sea Eagle is actually based off of the http://www.policemag.com/_Images/articles/M_ARSENAL_5.jpg though, rather than the Desert Eagle. (Thanks Shadowcat)
I didn't even find that one D=
I had it as a S&W sigma for the longest time. Someone corrected me.
And since we are appearantly doing lists now...
Semi-Auto Pistol - http://world.guns.ru/handguns/hg/be/fn-five-seven-e.html
Revolver - http://world.guns.ru/handguns/double-action-revolvers/it/mateba-unica-6-e.html
Machine Pistol - http://img269.imageshack.us/img269/5602/mte224vmartintumaengine.jpg
SMG - http://world.guns.ru/smg/rus/pp-2000-e.html
Long Rifle - http://world.guns.ru/sniper/sniper-rifles/de/walther-wa-2000-e.html
AR - http://world.guns.ru/assault/be/fn-f2000-e.html
Pump Shotgun - http://world.guns.ru/shotgun/usa/shotgun-kel-tec-ksg-e.html
Auto Shotgun - http://world.guns.ru/shotgun/usa/jackhammer-e.html
MG - http://world.guns.ru/userfiles/images/machine/mg40/hk_mg4_1.jpg
Medium Grenade Launcher - http://www.lmtstore.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/m/2/m203_pistol_grenade_launcher_1.jpg
Heavy Grenade Launcher - http://world.guns.ru/grenade/ch/qlb-06-qlz-7b-e.html (yes, I already linked this one, but I like it)
Stuck to existing weapon classes so, in theory, SD could just make some new skins instead of having to do a bunch of rebalancing. Tried to keep Brink's look in mind when picking.