The Steyr .50 HS is a single shot rifle, with manually operated, rotating bolt with two large locking lugs at the front. The two-stage trigger is factory set to 4lbs (1.8kg). The buttstock is adjustable for length of pull, the cheekpiece is also adjustable. Heavy barrel is partially fluted and fitted with effective muzzle brake. Steyr .50 HS has no iron sights; the Mil Std Picatinny rail is standard. Rifle is not intended to be fired off-hand; it is fitted with integral folding adjustable bipods. This rifle has been approved for sale by the ATF for sale within the USA.