.300 OSSM

Olympic Arms had their new Gamestalker rifle on display at the 2010 SHOT Show. The Gamestalker is an AR-platform rifle chambered in .243 WSSM, .25 WSSM and the brand new .300 OSSM (scroll down for more information on the cartridge.) The Gamestalker features a 22″ barrel, free floating aluminum handguard, ACE skeleton stock and an…