Useful guides
Installing skins for CS 1.6
Installing skins for CS 1.6

Skins installation for Counter Strike 1.6 explained in detail

How to install cfg for CS 1.6
Installing configs for CS 1.6

Config installation for Counter Strike 1.6 explained

Default weapon models CS 1.6
Default weapons pack for CS 1.6

Restoring default models, skins and sounds in Counter Strike 1.6

Page 24 - Gun skins for CS 1.6