This is some strategic loadout ideas for the General. it is based largely on opinion, and these suggestions may or may not fit your play style or player level. Keep this in mind when editing, ad a new loadout instead of changing an existing one.
Default loadout: Edit
You can effectively use the weapons that are already equipped when you start playing the game as the General.
Primary: MP412 - These magnums that have good ROF, but their range leaves room for desire.
Secondary: P99 - A somewhat below average handgun.
You have no skill or Killstreak at the beginning of the game, so be sure to equip them as soon as they are unlocked.
Strategy: As typical of the General, close range combat is your most effective area of combat. Use your Primary magnums to eliminate the close enemies quickly, but be wary of Juggernauts. When the time arises, use your balanced secondary pistol to pick off fleeing enemies or combat someone who can outmatch your close quarter combat skills. This equipment should be able to hold you until you are able to buy better weapons.
High damage loadout: Edit
If you need to take out your enemy, fast, this loadout may suit your needs.
Primary: USAS12 - Your weapon of choice, having good damage, and high a RoF to boot, but remember to reload frequently as a consequence of the latter.
Secondary: M1911 - Its good damage and accuracy should get you out of those situation where your shotgun just won't do. Just be sure to keep topped up.
Skill: Fast Hand - Being quick on the draw makes reloading 3x faster, meaning you will be able to combat the main weakness of your loadout.
Killstreak: Aim Boost - More criticals means more damage, which equates to laying the competition down quicker.
Lone Ranger Edit
Primary: .500's - Highest damage of all dual magnums.
Secondary: You don't really need a secondary but I'll suggest Throwing Knives or a pistol with decent range.
Skill: Full Auto - This kind of makes up for the .500's lack of RoF(also prevents unnecessary stress on your wrist haha)
Attachment: Hair trigger - This is optional but it's a plus on .500's RoF.
Armor: Military Jacket - Dual magnums on auto tend to drain ammo quickly.
Killstreak: Regen/Morale Boost - Makes up for the Military Jacket's lack of decent defense.
Strategy: This basically makes your General good for mid-range, Essentially, you're now an Engineer that hits harder but can't build robots. Now you can deal with those pesky Juggernauts while still being able to hold your own against other units.