Editing Advanced Combat Optical Gunsight (section)

==History==
The first ACOG model, known as the TA01, was released in 1987.<ref>{{cite web|url=http://www.trijicon.com/na_en/products/product3.php?pid=TA01|archive-url=https://web.archive.org/web/20110913072623/http://www.trijicon.com/na_en/products/product3.php?pid=TA01|url-status=dead|archive-date=13 September 2011|title=TA01 ACOG - Trijicon, Inc.|date=13 September 2011}}</ref><ref>{{cite web|url=https://www.millionthacog.com/history/|archive-url=https://web.archive.org/web/20170922031015/https://www.millionthacog.com/history/|url-status=usurped|archive-date=22 September 2017|title=Trijicon 24 Days of ACOG Sweepstakes|website=www.millionthacog.com|access-date=29 December 2018}}</ref> An example was tested on the [[Stoner 63|Stoner 93]] in the early 1990s by the Royal Thai Armed Forces.<ref>The Small Arms review, Vol 13 No.1, October 2009</ref> 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.<ref name="auto">{{cite web|url=https://www.trijicon.com/our-story/trijicon-history|title=Trijicon History|date=5 May 2021}}</ref> Between 2004 and 2005, the TA31RCO-A4 & M4 (AN/PVQ-31A & 31B) was selected as the official Rifle Combat Optic of the [[United States Marine Corps]], prompting Trijicon to produce 100,000 units for the US Marines in the following 18 months.<ref name="auto"/>