https://www.breitbart.com/politics/2013/08/02/manufacturer-makes-largest-center-fire-rifle-ever-bullets-are-40-each/
SSK Industries Makes Largest Center-Fire Rifle Ever, Bullets Cost $40 Each
Aug 2, 2013 - Ohio-based SSK Industries has produced the largest center-fire rifle in history. It is a .905 caliber which produces recoil equivalent to shooting ten .30-06...
center fire rifle