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The scope body is sealed and filled with nitrogen, which prevents fogging of optics and was designed to function within a -50 °C to 50 °C temperature range. For zeroing the telescopic sight the reticle can be adjusted by manipulating the elevation and windage turrets in 5 centimetres (2.0 in) at 100 metres (109 yd) (0.5 mil or 1.72 MOA ...
Accordingly, Romania designed the PSL rifle as a substitute for the SVD Dragunov, and IOR was tasked with developing a scope for the rifle as a replacement for the Russian PSO-1. The result was the LPS 4x6° TIP2 telescopic sight, which became the standard Romanian sniper riflescope. The company is traded on the Bucharest Stock Exchange.
Though it has folding iron sights, the SVU is almost always used with the PSO-1 scope with illuminated reticle, but other Russian scopes can also be mounted. The PSO-1 reticle is somewhat unique in the world of sniper scopes, in that its rangefinders are in the lower left, chevrons for bullet drop compensation are found in the middle, and ...
Extensive field testing of the rifles conducted in a wide range of environmental conditions (Konstantinov's competing 2B-W-10 prototype was simpler and cheaper but tested less accurate, durable and reliable) resulted in Dragunov's proposal chambered for the 7.62×54mmR fully powered cartridge being accepted into service in July 1963. [5]
Shortly afterward the LPS scope was technically revised to simplify the maintenance and construction of the scope. The PSL rifle is typically issued with a 4×24 optical sight called LPS 4×6° TIP2 (Lunetă Puṣcă Semiautomată Tip 2, or "Scope, Semi-Automatic Rifle, Type #2") which is a simplified version of the Russian PSO-1 telescopic ...
This rifle included a simpler scope design, which was incorporated from the short-lived SVT-40, and was far easier to mass-produce. To this day, it remains the most widely produced and longest serving sniper rifle in the world, and remained the Soviet Union's main sniper rifle until it was superseded in 1962 by the semi-automatic SVD Dragunov ...
The M76 is similar in concept to the Russian Dragunov SVD sniper/designated marksman rifle; a semi-automatic rifle using a full-power cartridge from a 10-round magazine. However, the M76 is closer to the AK-47 / RPK design and Zastava's unlicensed M70 AK-derivative than the Dragunov SVD, similar to the Romanian PSL .
The scope base is the attachment interface on the rifle's receiver, onto which the scope rings or scope mount are fixed. Early telescopic sights almost all have the rings that are fastened directly into tapped screw holes on the receiver, hence having no additional scope base other than the receiver top itself.