RIFLE: BUSHMASTER FIREARMS MODEL XM15-E2S IMPORTED BY BUSHMASTER FIREARMS, SERIAL NUMBER BFI472875, BLACK (MATTE), CASE NOT INCLUDED, 21, 223-5.56, SEMI - AUTOMATIC Notes: Bushmaster Firearms XM15-E2S Rifle - .223 Remington / 5.56mm This firearm is identified as a Bushmaster Firearms Model XM15-E2S rifle chambered for .223 Remington/5.56mm. It features a semi-automatic action, a 21-inch barrel, and a matte black finish. A case is not included. Item Specifications Manufacturer: Bushmaster Firearms Model: XM15-E2S Type: Rifle Action: Semi-automatic Caliber: .223 Remington / 5.56mm Barrel length: 21 inches Finish: Black, matte Case: Not included Condition: good