Question: who produced the modern bolt-action sniper rifle  which Steyr SSG 04 was the basis of 
Sentence (from "Steyr SSG 04"): The Steyr SSG 04 (German: Scharfschützengewehr 2004, English: Sniper Rifle 04) is a modern bolt action sniper rifle developed and produced by Steyr Mannlicher in Austria, as a complement to Steyr's SSG 69, using the same Safe Bolt System (SBS) action developed for Steyr's hunting rifles.
Relevant evidence: No