[BUG?/FEATURE?] NPC dropped weapons don't give ammo!

[polivilas]

So yeah, for example, i kill a metrocop with smg, and he drops his smg, in HL2 you could pickup the smg for ammo, yet in OC you cant : http://prntscr.com/3uavie
Is there an simple fix for this? (cvar/cfg)?

[Shana]

Try mp_weaponstay 0 on the server.