Declared variables at the top of the script

ref WeaponModel
ref 1stPersonWeaponModel
string_var WeaponModelString
ref GRAWeapon
ref RegWeapon
int ModelCounter
int ModTicker
ref WeaponMod
int ModEffect
float ModValue
ref WeaponModSound

			while ModTicker < 4
			ModTicker = ModTicker + 1
			WeaponMod = GetWeaponItemMod ModTicker GRAWeapon
			if WeaponMod
				SetWeaponItemMod RegWeapon ModTicker WeaponMod
			endif
			ModEffect = GetWeaponItemModEffect ModTicker GRAWeapon
			if ModEffect
				SetWeaponItemModEffect GRAWeapon ModTicker ModEffect
			endif
			ModValue = GetWeaponItemModValue1 ModTicker, GRAWeapon
			SetWeaponItemModValue RegWeapon ModTicker ModValue
			ModValue = GetWeaponItemModValue2 ModTicker, GRAWeapon
			SetWeaponItemModValue RegWeapon ModTicker ModValue
			loop