The Steyr HS .50 and the Steyr HS .460 are single-shot anti-materiel rifles manufactured by Steyr Mannlicher and chambered in .50 BMG and .460 Steyr, respectively. Unlicensed variants of the HS. 50 include the AM-50 Sayyad produced by Iran, the Golan S-01 produced by Syria and the Al-Ghoul rifle produced by the Al-Qassam Brigades.