who produced the modern bolt-action sniper rifle  which Steyr SSG 04 was the basis of
Steyr SSG 08 The Steyr SSG 08 (German: Scharfschützengewehr 2008, English: Sniper Rifle 08) is a modern bolt-action sniper rifle developed and produced by Steyr Mannlicher in Austria. The rifle is a further evolution of the SSG 04 sniper rifle, also developed and produced by Steyr.
Steyr Mannlicher Steyr Mannlicher is a firearms manufacturer based in Sankt Ulrich bei Steyr, Austria. Originally part of Steyr-Daimler-Puch, it became independent when the conglomerate was broken up in 1989.