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.
Accuracy International Arctic Warfare The Accuracy International Arctic Warfare rifle is a bolt-action sniper rifle designed and manufactured by the British company Accuracy International. It has proved popular as a civilian, police, and military rifle since its introduction in the 1980s. The rifles have some features that improve performance in very cold conditions, without impairing operation in less extreme conditions.