The CDR-15 is an AR patterned rifle designed with DRD Tacticals patented quick barrel change technology, allowing you to swap barrels and switch between calibers with ease without the need for an additional upper receiver. Range ready and made for duty, the CDR-15 features a standard safety selector and bolt catch. For those that cant decide or like to have options, with the CDR-15, you can have your cake and eat it too. Includes 2 magazines. Does not include extra barrel.