Karabiner 98k sniper rifles had an effective range of up to 1,000 m (1,094 yd) when used by a skilled sniper. Sniper variant įor snipers, Karabiner 98k rifles selected for being exceptionally accurate during factory tests were fitted with a telescopic sight as sniper rifles. At least two transitional variants existed, which incorporated only some Kriegsmodell features, and some factories never switched to Kriegsmodell production at all. It had less serial numbered parts, a phosphate metal surface finish, and a hole at the bottom end of the butt plate that replaced the stock disk. Instead two emergency gas relief holes were drilled and the bolt guide was omitted from the bolt body. The M98 bolt was also simplified by stopping milling the two oval-shaped emergency gas relief holes in the bottom of the bolt. Non-critical parts like the stock were finished to lower standards and metal parts like the nose cap, barrel band, floor plate and trigger guard (lacking the small locking screw provision) had become simplified stamped parts that were less elaborately mounted to the rifle. This version was simplified to increase the rate of production, removing the bayonet lug, cleaning rod, stock disc (which functions as a bolt disassembly tool), and other features deemed to be unnecessary. Starting in late 1944, Karabiner 98k production began transition to the Kriegsmodell ('war model') variant. The Karabiner 98k has a 500 mm (19.7 in) sight radius. The sight line of early productions rifles have the ranging scale copied at the bottom of the tangent aiming element for setting the range whilst lying down. ( schweres Spitzgeschoß – 'heavy pointed bullet') ball bullets from 100 to 2,000 m (109 to 2,187 yd) in 100 m (109 yd) increments. Patrone cartridges loaded with 12.8 g (197 gr) s.S. It is graduated for 7.92×57mm Mauser s.S. These standard sight lines consisted of somewhat coarse aiming elements, making it suitable for rough field handling, aiming at distant area fire targets and low-light usage, but less suitable for precise aiming at distant or small point targets. From 1939 onwards the post front sight was hooded to reduce glare under unfavourable light conditions and add protection for the post. Originally, the Karabiner 98k iron sight line had an open-pointed-post-type front sight, and a tangent-type rear sight with a V-shaped rear notch. The Karabiner 98k rear tangent sight was flatter compared to and does not obstruct the view to the sides during aiming as the Langevisier (long sight). The impractical 'Langevisier' or 'rollercoaster' rear sight of the Mauser Gewehr 1898 was replaced with a conventional tangent leaf sight.
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