

By 2006 the company had begun marketing firearms in addition to their line of scopes including a civilian copy of the Marine Corps MEU(SOC) pistol and the M40A3 Sniper Rifle.

In the early 2000s the Marine Corps began phasing out Unertl Scopes in favor of other scopes like the Schmidt & Bender 3–12×50 Police Marksman II LP. Rocky Greene) and the headquarters was moved to Las Vegas, Nevada. In 2002 the company was purchased by 21st Century Technology, Inc. Optics who also produced their own version and used the nomenclatures MST-100 for the 7.62 scope and MST-150 for the. Servicing of these scope were taken over by U.S.

The few scopes sold to the Canadian military, a few law enforcement agencies and even fewer civilians were marked "10x Sniper" and carried a "T" prefix on the serial numbers. John Unertl Jr was adamant about selling "USMC" marked scope only to the Marine Corps. A 50 caliber version was used on the USMC SASR. In the 1980's, the company became legendary in the sniper community for its 10x USMC Sniper scope designed by John Unertl Jr and mounted on the USMC M40A1 and M40A3 in 7.62mm. During World War II, Unertl manufactured the USMC 8x sniper scope mounted on 1903 sniper rifles. He also produced some of the finest spotting scopes of the day including a 100 mm Team scopes used by Military and well equipped civilian teams at Camp Perry for decades. produced high quality, external adjustment scopes for competitive shooters and varmint hunters. Fecker Target Scope Company, founded the John Unertl Optical Company in 1928. after emigrating from Germany and working for the J.W.

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. was a manufacturer of telescopic sights in the United States from 1928 until 2008.
