The Olympic Arms OA-93 was one of the first commercial AR-15 pistols, featuring a short barrel and pistol-format upper receiver without a buffer tube. Its unique telescoping buffer design allowed a more compact form factor than AR-pistols built on standard lower receivers. Type: Pistol Action: Direct Impingement Caliber: 5.56x45mm Capacity: 30 Year introduced: 1993, USA Weight: 5.8 oz Overall length: 17" Status: Discontinued Intended use: Range, Collection