You can find things like Surefire's and Suppressors when you reach the country.

The Scorpion has brought in alot of things into the country to fuel the fires of war. Laser sights, silencers and the likes of it are pretty prevalent there.

All you're going in with is a stock pistol, your melee weapon, enough rations for 2 days, the clothes your government gives you. And that's it. 

This isn't Call of Duty, you are not an active member of the military. You're decommissioned, you are living on private sector wages. This is not a fully sanctioned operation. The governments sending our characters in agree something needs to be done. But they cannot let it show up on the official books. Yet.