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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.
A Canadian soldier fires the C7A2 rifle with a C79A2 sight. The current issue model features an improved mounting system for better return to zero. The C79A2 has a green rubber armored cover to help the optic blend in with the Canadian CADPAT uniform. The A2 series is the optics mid life upgrade for the C7A2 program as the tritium needs to be ...
The first ACOG model, known as the TA01, was released in 1987. [3] [4] An example was tested on the Stoner 93 in the early 1990s by the Royal Thai Armed Forces. [5]In 1995, United States Special Operations Command selected the 4×32 TA01 as the official scope for the M4 carbine and purchased 12,000 units from Trijicon. [6]
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 ...
The few scopes sold to a limited number of law enforcement agencies and even fewer civilians were marked "10x Sniper" and carried a "T" prefix on the serial numbers. Servicing of these scope were taken over by U.S. Optics who also produced their own version and used the nomenclatures MST-100 for the 7.62 scope and MST-150 for the .50 BMG Scopes.
MIL-STD-1913 rail dimensions, cross section (dimensions in inches) Attempts to standardize the Weaver rail mount designs date from work by the A.R.M.S. company and Richard Swanson in the early 1980s. [citation needed] Specifications for the M16A2E4 rifle and the M4E1 carbine received type classification generic in December 1994.
PU telescopic sight from above. The PU scope (ПУ, прицел укороченный, 'Scope short-cut' in comparison to PE/PEM telescopic sight) is a 3.5×21 telescopic sight of Soviet manufacture, widely used since 1940 on the SVT-40 rifle for which it was originally designed and since 1942 on the Mosin–Nagant rifle.
Etched "FinnDot" reticle (a regular mil-dot reticle with the addition of 400 m – 1200 m holdover (stadiametric) rangefinding brackets for 1 meter high or 0.5 meter wide targets at 400, 600, 800, 1000 and 1200 m).