These are Sweps from Half Life: Source that uses Mad Cows base. (fixed version)
Requires Half life Source to work.
This is in early beta state due to not much sweps in this pack.
Weapons include -
HLS 9mm Handgun
HLS 357 Reolver
Non beta versions will include all HLS SWEPs.
Edit: Plazimiciron is trolling Beta 3, grrr…