The Rock Island Arsenal converted 1,435 National Match (target grade) M14s by adding a 3-9x Redfield Adjustable Ranging Telescope (ART) and provided National Match grade (7.62 Lake City Long Range XM-118) ammunition. The ART scope, designed by 2nd Lieutenant James Leatherwood (U.S. Army), combined rangefinding and bullet drop compensation.

The mission of Art21 is to educate and expand access to contemporary art through the production of documentary films, resources, and public programs.

后来莱瑟伍德创办了自己的公司来生产和销售art瞄准镜及配套的瞄准镜座。 xm21的art1瞄准镜及其携行盒. art瞄准镜的特点是在十字分划的横标线和竖标线上各有两个准距线。

2020年3月31日 · It was called the Adjustable Ranging Telescope (ART) and was combined with a Redfield Accu-range 3-9x40mm commercial scope. You will probably recognize that this is the same scope the USMC adopted for their M40s during the same time. It was considered the best scope on the civilian market at the time.

2019年9月12日 · The sniper rifle he carried was a M14 National Match topped with a 3-9x Adjustable Ranging Telescope (ART). This combination would later be designated the M21. The M21 was developed during Vietnam and remained the standard US Army sniper rifle until replaced by the bolt-action M24 in 1988.

Art in the 21st Century is a PBS series about contemporary artists that premiered in 2001. Premiering a new season every two years, Art in the Twenty-First Century is the only series on United States television to focus exclusively on contemporary

The ART scope, designed by 2nd Lieutenant James Leatherwood (U.S. Army), combined rangefinding and bullet drop compensation. The innovation came just in time as the U.S. military found itself losing servicemen to Viet Cong snipers who had the home field advantage in terrain that was, to say the least, difficult.

2024年2月29日 · In 1972, the XM21 was officially adopted as the Rifle, 7.62mm Sniper 21, or simply, the M21. Vietnam sniper with a suppressed M21 and PVS2 Starlight scope. The M21 maintained a wide range of praise as well as despise.

2020年7月10日 · Get help to accurately calculate and scope your sniper rifle using real shooting data. I had some sniper training while in the Air Force, and their weapon of choice was the venerable 7.62 Springfield Armory M21 (circa 1974). I just loved to train with this rifle. It felt so much more substantial when compared to the M16.

Published to accompany the second season of the PBS television series, this illustrated book offers a glimpse into the life stories, sources of inspiration and creative processes of some of the...