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Tasco (also known as Tasco Worldwide) sells consumer telescopes. Tasco mainly imports telescopes for amateur astronomers but has expanded into other optical products, such as spotting scopes, microscopes, binoculars, telescopic sights, and other rifle accessories. Tasco sells via retail stores, catalogs, and online retailers.
Tasco is a major international distributor of telescopes. The company's line of products mainly target amateur astronomers but has grown to include many products besides telescopes . Tasco's other products include terrestrial spotting scopes , microscopes , binoculars , and telescopic sights and other rifle accessories.
Unertl Optical Company, Inc. was a manufacturer of telescopic sights in the United States from 1928 until 2008. They are known for their 10× fixed-power scopes that were used on the Marine Corps' M40 rifle and made famous by Marine Corps Scout Sniper Carlos Hathcock during the Vietnam War.
A relatively new type of telescopic sight, called prismatic telescopic sight, prismatic sight or "prism scope", replaces the image-erecting relay lenses of a traditional telescope with a roof prism design commonly found in compact binoculars, monoculars and spotting scopes.
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 G-41(m) and G-41(w) semi-automatic rifles had ZF40 scopes added in small quantities for test and evaluation in the field. MP-43, MP-44, FG-42 automatic select fire weapons had the ZF41/1 fitted for test only, these were not produced past prototype stage, the ZF4 scope was then used on these weapons instead.
The PSO-1 elevation turret features bullet drop compensation (BDC) in 50 metres (55 yd) or 100 metres (109 yd) increments for engaging point and area targets at ranges from 100 metres (109 yd) up to 1,000 metres (1,094 yd).
Barrel: The barrel on the M40A1 was made by Bill Atkinson, this barrel is 24" long made from 416 stainless steel, bead blasted and blued with black oxide. M40A3 is a Schneider 635; 25-inch, 6-groove, 1:12" match-grade heavy barrel.