The M82A1A was an early production refinement of the M82A1 incorporating improved buffer components and a strengthened receiver. It served as the primary US military .50 BMG semi-automatic sniper system before the M107 designation was formally adopted. Operationally identical to the M82A1 in most respects but features minor internal improvements to the recoil buffer system. Type: Rifle Action: Semi-Automatic Caliber: .50 BMG Capacity: 10 Year introduced: 1991, USA Weight: 32.7 oz Overall length: 57" Status: Discontinued Military use: Yes Intended use: anti-materiel, sniper, military