MP Weapons List (Call of Duty: Black Ops II)
Game Version: 1.17 // works on 1.19

ChangeWeapon1 = 0x17811E3 { WeaponByte }
ChangeWeapon2 = 0x17811FF { WeaponByte }
ChangeLethal = 0x178121B { WeaponByte }
ChangeTactical = 0x1781237 { WeaponByte }
Weapon1Ammo: 0x01781362 { 0xFF, 0xFF, 0xFF } // Unlimited 
Weapon2Ammo: 0x01781326 { 0xFF, 0xFF, 0xFF } // Unlimited 
TacticalAmmo: 0x0178136E { 0xFF, 0xFF, 0xFF } // Unlimited 
LethalAmmo: 0x0178136A { 0xFF, 0xFF, 0xFF } // Unlimited 

{ WeaponBytes }
0x01 WEAPON_DEFAULTWEAPON (Freeze?)
0x02 MP7
0x04 PDW-57
0x06 Vector K10
0x08 MSMC
0x0A Chicom CQB
0x0C Skorpion EVO
0x0E Peacekeeper
0x10 MTAR
0x14 Type 25
0x18 SWAT-556
0x1C FAL DSW
0x20 M27
0x24 SCAR-H
0x28 SMR
0x2C M8A1
0x30 AN-94
0x34 R870 MCS
0x35 S12
0x36 KSG
0x37 M1216
0x38 Mk 48
0x3A QBB LSW
0x3C LSAT
0x3E HAMR
0x40 SVU-AS
0x41 DSR 50
0x42 Ballista
0x43 XPR-50
0x44 KAP-40 Dual Wield
0x46 Tac-45 Dual Wield
0x48 Five-seven Dual Wield
0x4A Executioner Dual Wield
0x4C B23R Dual Wield
0x4E Five-seven
0x4F Tac-45
0x50 B23R
0x51 Executioner
0x52 KAP-40
0x54 SMAW
0x55 FHJ-18 AA
0x56 RPG
0x57 Combat Knife
0x59 Assault Shield
0x5A Crossbow
0x5B Ballistic Knife
0x5C Grenade
0x5D Concussion
0x5E Semtex
0x5F Smoke Grenade
0x60 Combat Axe
0x61 Sensor Grenade
0x62 Bouncing Betty
0x63 EMP Grenade
0x64 C4
0x65 Shock Charge
0x66 Claymore
0x67 Black Hat
0x68 Flashbang
0x69 Trophy System
0x6A Tactical Insertion
0x6B Throwable RC-XD???
0x6C Throwable War Machine Explosive???

Note: All testing was done on Nuketown 2025

Credits:
Kappa :)
Mango_Knife (Addresses: 0x01781362, 0x01781326, 0x0178136E, 0x0178136A)