To be used with SetPlayerSkillLevel.
Skill Levels
0 - WEAPONSKILL_PISTOL 1 - WEAPONSKILL_PISTOL_SILENCED 2 - WEAPONSKILL_DESERT_EAGLE 3 - WEAPONSKILL_SHOTGUN 4 - WEAPONSKILL_SAWNOFF_SHOTGUN 5 - WEAPONSKILL_SPAS12_SHOTGUN 6 - WEAPONSKILL_MICRO_UZI 7 - WEAPONSKILL_MP5 8 - WEAPONSKILL_AK47 9 - WEAPONSKILL_M4 10 - WEAPONSKILL_SNIPERRIFLE