Here is what I have modifying from your original post:
Optional Accessories
Items below are optional costume accessories. These items are not required for approval, but if present appear as described below. If adding in an accessory after initial, the item still needs to be submitted to local GML for approval before use.
Black Pauldron
• Must be black in color and made from vinyl, leather or leather like material. Must be worn over the right shoulder.
Ammo Packs
• Black MP40 style ammo packs made from leather or leather like material, one on each side, may be worn in place of drop boxes.
• Flap buttons shall be silver in color.
Shoulder Ammo Pack
• Black MP40 style ammo pack made from leather or leather like material, secured on the upper left of the chest armor.
• Flap buttons shall be silver in color.
• If this shoulder ammo pack is worn it must be accompanied with the black pauldron and drop boxes on the belt. Belt cannot have pouches in lieu of drop boxes when the shoulder ammo pack is worn.