Mods that depend on M203 Expansion

 5405
1 
Zlians Ultimate Firearms Collection
A mod compilation that contains almost every single modded firearm that isn't already in the game
Last updated: a year ago
 1920
1 
Classic Freemeat
A blast from the past! All the guns from Half-Life and its three expansions, as well as Sven-Coop.
Last updated: 3 years ago