

By 2008 the company had closed its doors. 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. The company was most notable for its MST-100 (7.62mm) and MST-150 (.50 caliber) 10× scope used by the USMC Scout-Sniper program and the first scope to use a Mil-Dot reticle. John Unertl founded the John Unertl Optical Company in 1934 and the company manufactured military sniper scopes during World War II.
