Here are Codes for a JTagged XBOX 360

Source: NextGenUpdate

Give Weapons:

self _giveWeapon("deserteaglegold_mp", 0);//Give the Gold Deagle
self _giveWeapon("defaultweapon_mp", 0);// Give the Default Weapon
self _giveWeapon("fal_akimbo_mp", 0);// Give the FAL Akimbos.
self _giveWeapon("m79_akimbo_mp", 0);// Give the Thumper Akimbos.
self _giveWeapon("flare_mp", 0);// Give The Tac Insertion Tube

This Code is my favourite as if you read the weapons , They’re pretty sweet.

Write Text On Screen (small, bold):

self iPrintlnBold("Text here");// You can color text the same way as you do your gamertag IE: "^1HI!" is HI!
Write Text On Screen (left side or where you see where people are killed):

self iPrintln("Text Here");
These next codes disable all kinds of things and can be edited very easily, You can read the code and see what they are:

allowJump(false);
allowSprint(false);
allowADS(false);
allowStand(false);
allowCrouch(false);
Disable Using Weapons:

self _disableWeapon();
self _disableOffhandWeapons();
Mabye my second favourite , Any killstreak you want at the start of a game. This is also easily edited

Give Any Killstreak At Spawn:

self mapsmpkillstreaks_killstreaks::giveKillstreak( "ac130", false );//give AC130
self mapsmpkillstreaks_killstreaks::giveKillstreak( "sentry", false );// give Sentry Airdrop
self mapsmpkillstreaks_killstreaks::giveKillstreak( "emp", false );// give EMP
self mapsmpkillstreaks_killstreaks::giveKillstreak( "nuke", false );// give Nuke
MODList© eg. Give the mods to the people you want

PHP Code:
if(self.name == "Gamertag Here")
{

// if you want more then one:

if(self.name == "blah"
|| self.name == "other"
|| self.name == "blah2")
{ // do as many ||'s you want.

// if you want to put mods or commands for people who DONT have the mod:

if(self.name == "GT"
|| self.name == "GT2")
{
//mods here
}
else
{
// people NOT on the list mods/commands here
}
Last but not least , NO Recoil!

self player_recoilScaleOn(0);

View More Call of Duty: Modern Warfare 2 Mods and Hacks