RIFLE: BUSHMASTER FIREARMS MODEL CARBON-15 IMPORTED BY NA, SERIAL NUMBER CBC073695, BLACK (MATTE), CASE NOT INCLUDED, SEMI - AUTOMATIC, 5.56 NATO, 16" Notes: Pre-owned Bushmaster Carbon-15 AR rifle chambered in 5.56 NATO. There are a few minor scratches on the metal surfaces, but overall, this firearm is in very good condition. Receiver is molded of durable, carbon fiber composite Operational Controls same as any AR15 type firearm 16" chrome moly steel barrel includes a "Birdcage" flash hider Upper receiver includes a Picatinny rail for easy optics mounting Multi-Position Telescoping buttstock They say a picture is worth a thousand words. These photos are the best statement of condition; please review them carefully before purchasing.