RIFLE: ABC RIFLE COMPANY MODEL ABC-15 RIFLE, SERIAL NUMBER 77-15644, BLUE / CCH, YES - INCLUDES ORIGINAL BOX AND PAPERS, SEMI - AUTOMATIC, 5.56 NATO, 16" Notes: ABC Rifle Company Abc-15 5.56 NATO Rifle Description: Type: Semi-automatic rifle chambered in 5.56 NATO. Size: Barrel length and overall dimensions vary depending on configuration. Capacity: Magazine capacity varies by configuration and applicable regulations. Operating System: Gas-operated, rotating-bolt system. Features: AR-style platform, aluminum receiver construction, ergonomic grip, adjustable stock, and accessory mounting compatibility. Weight: Varies depending on configuration and installed components. Design: Modern sporting rifle featuring a modular platform, durable construction, and traditional AR-style styling. Summary: The ABC RIFLE COMPANY ABC-15 5.56 NATO rifle is a semi-automatic sporting rifle featuring an AR-style platform and 5.56 NATO chambering. Its design incorporates a modular configuration, durable construction, and conventional styling associated with modern sporting rifles.