This pack contains some of the half life weapons pack:

9MM AR
9MM Handgun
357 Magnum
Shotgun

thanks to JimTheMingebag for the lua files
thanks to shotgunguy for the HD Models of HL1

YOU DONT NEED TO HAVE HALF LIFE : SOURCE (GAME)

Извлечь в папку: c:\program files\steam\steamapps\%username%\garrysmod\garrysmod\addons
HOPE YOU ENJOYED