Utilize MenuInventory. Add 3 PCML Missiles to magazines (one for the chamber & 2 for the backpack) & a PCML launcher to weapons. When you spawn, select said role / loadout. You will not get the 3 missiles but instead 2. Even though there's room for one more in the assault pack.

If players want a full loadout (ie; that missing PCML missile) they've to manually add one via ammo crate. Which kind of defeats the point of using MenuInventory.

I'd also prefer to have the configuration more refined. In addition to weapons, magazines, items & linked items, also have backpack items,vest items & uniform items. So I can dictate what items go where.