https://steamcommunity.com/sharedfiles/filedetails/?id=2511367699

Features:

• Overrides Source impact materials with a GoldSrc equivalent
• Adds extra particle effects and sounds when shooting bullets at walls or objects
• Headshot sounds
• Choice between 2 modes: Half-Life 1 and Counter-Strike 1.6 impact effects

Convars:

• gsrc_bullets_enabled "1" - Enable/Disable the addon
• gsrc_bullets_particles_impact "1" - enable / disable impact particles
• gsrc_bullets_particles_blood "1" - enable / disable blood particles
• gsrc_bullets_ricochet "1" - enable / disable ricochet sounds
• gsrc_bullets_headshot "1" - enable / disable headshot sounds
• gsrc_bullets_helmet "50" - Minimum armor needed to play a helmet headshot sound
• gsrc_bullets_mode "hl1" - mode, can be: hl1/cs16