The Armory is the newest property to create items to increase your attack power. You can create yourself a full body armor to increase attack and defense power. The Armory functions much like as the Chop Shop & Weapons Depot.
You can ask friends for parts or rewards points to upgrade the Armory up to Level 10. Here are the arsenal you can get on your Armory:
Parts on the Armory will not drop on doing jobs and fighting rivals. (Hope Mafia Wars will update this soon)