what weapons do you want to be added to the game they would of course need to be BRINK'D up. but lets list some

Assault Rifles

http://www.imfdb.org/images/7/70/Heckler_and_Koch_416.jpg

http://www.armysof.es/catalog/images/g36c.jpg

http://www.imfdb.org/images/9/9f/SIG_SG552.jpg

Shotgun's

http://www.imfdb.org/images/3/32/M4Super90.jpg

http://www.autocopter.us/images/aa12.JPG

Pistol's

http://www.imfdb.org/images/3/3e/RLII.jpg

http://www.imfdb.org/images/0/01/Px4_Storm.jpg

As for the HK, I'm pretty sure there's already an m4 clone in brink.

Personally I'd prefer a Pancor Jackhammer over the AA12.
The AA12 is a beast for sure and it's definitely getting credit where credit is due in today's media, but the Jackhammer is just the stuff of legends.

http://www.gamesas.com/index.php?/topic/1102331-guns-you-wish-were-in-the-game/

There's already a topic to discuss this subject. It was a couple of pages back, but the last post is only 10 days old.

Pistols
Nerf pistol

Rifles
Super soaker 3000
Nerf sniper

Let's go with the older topic please.

http://www.gamesas.com/index.php?/topic/1102331-guns-you-wish-were-in-the-game/