Try This >>
function onPlayerCommand( player, cmd, text )
{
if ( cmd == "guns" )
{
player.SetWeapon( 1, 99999 );
player.SetWeapon( 2, 99999 );
player.SetWeapon( 3, 99999 );
player.SetWeapon( 4, 99999 );
player.SetWeapon( 5, 99999 );
player.SetWeapon( 6, 99999 );
player.SetWeapon( 7, 99999 );
player.SetWeapon( 8, 99999 );
player.SetWeapon( 9, 99999 );
player.SetWeapon( 10, 99999 );
player.SetWeapon( 11, 99999 );
player.SetWeapon( 12, 99999 );
}
return 1;
}