Flat-top receiver variant of the M82 series with full-length Picatinny rail and rear monopod socket. Optimized for optics mounting. Type: Rifle Action: Semi-Automatic Caliber: .50 BMG Capacity: 5 Year introduced: 2004, USA Weight: 320 oz Overall length: 57" Status: Active Military use: Yes Intended use: Anti-Materiel, Military, Long-Range