AR-15/M-16 XS® Upgrade: Big Dot® Xpress Threat Interdiction™ Sights

Mar 27, 2014 No Comments by

March 2014 – Fort Worth, TX – First introduced in 2012, XS® Sight Systems has extended the Xpress Threat Interdiction™ (XTI™) product line to include Big Dot® Tritium Express and 24/7 Tritium® Angle Mount Back-Up Iron Sight upgrades for your AR-15/M-16. Designed for firearms equipped with handguard mounted top picatinny rail systems, this low-profile night […]


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XS Sight Systems | The Western Shooting Journal

May 10, 2013 No Comments by

“A family owned business based out of Fort Worth, TX. Specializing in precision manufacturing of hunting and combat products for civilian, law enforcement and military professionals. Their trademark is the shallow rear V and visible front dot known as “XS Sight Systems 24/7″, designed for quick front sight acquisition in low lighting conditions for close […]


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