Those weapon pack was from Deamond's Weapon Pack (Goldsrc).
link to see what was the weapon pack look like: https://gamebanana.com/mods/179923

Crowbar - Bat
9MM AR - M4
9MM Handgun - Colt45
.357 - Desert Eagle
Shotgun - Shotgspa (Spas-12)
RPG - Rocket Launcher
Grenade (Goldsrc) - Grenade
Crossbow - Country Rifle

Issues: The rocket launcher was smaller, and grenade is not holding properly :((