PISTOL: FRANKLIN ARMORY MODEL HSC-15 PISTOL, SERIAL NUMBER FA-3036X, SEMI - AUTOMATIC, 300 BLACKOUT, BLACK (MATTE), YES - INCLUDES PROTECTIVE CASE, 11.5 Notes: The Franklin Armory HSC-15 in .300 Blackout is an AR-pattern firearm associated with Franklin Armory's HSC-15 family. Franklin Armory's safety documentation specifically lists the HSC-15 among the covered models and identifies .300 Blackout as one of the calibers that can be used with compatible configurations. Exact barrel length, receiver configuration, handguard, trigger, and other specifications depend on the particular HSC-15 example. Manufacturer: Franklin Armory Model: HSC-15 Caliber: .300 Blackout (7.62x35mm) Type: AR-pattern firearm Action: Semi-automatic Operating system: AR-style gas-operated system Receiver: Aluminum AR-pattern receiver Barrel: Configuration-dependent; verify the markings on the individual firearm Handguard: Configuration-dependent Magazine: Detachable magazine Sights/optics: Configuration-dependent Finish: Common configurations use a hard-coat anodized finish Identification: Franklin Armory states that the model designation, serial number, and caliber markings are located on the left side of the lower receiver; the company recommends checking the barrel itself to confirm the specific chambering.