WELCOME TO MAD DOG WEAPON SYSTEMS, INC. If you’re into Wildcat Cartridges or Handloading in General, you’ve come to the right place. Welcome to Mad Dog Weapon Systems, Inc. - where we currently focus on Wildcat and other Boutique Cartridges for the AR and other Platforms. We host an online forum called "MSR Evolution" where you will find comprehensive information and data for numerous Wildcat cartridges including those developed by us. So, if you're into Handloading/Reloading and Wildcat cartridges, you've come to the right place! Please click here to go directly to the forum. Thank you for visiting!