Since 1993, GSL Technology has strived to manufacture the worlds finest suppressors. With a state of the art facility located in South-Central Michigan, GSL designs and builds every suppressor in-house to meet the highest standard of quality, being an ISO-9001 certified company. Make the right choice in ensuring your hearing safety by purchasing a GSL Technology Suppressor, available through your local Class III Dealer or through our website. GSL was founded by Greg Latka, who received his first suppressor design patent in the early 1990s for the Helical Suppressor design and was featured on the cover of Machine Gun News for his work in late 1993. Since then, he has received numerous other patents for various products and designs. He is a true pioneer and innovator in the world of suppressor technology, having designed and developed over sixty-five suppressors for the military, law enforcement, and civilian markets. Current Patents 5,029,512 July 9, 1991: Firearms Muzzle Silencer 5,559,302 Sept. 4, 1996: Bayonet Type Coupling For Firearm 5,685,102 Nov. 11, 1997: Snap-On Firearms Adapter 8,210,087 July 3, 2012: Apparatus for Securing a Suppressor to Firearm 8,910,745 Dec. 16, 2014: Ported Weapon Silencer 8,991,551 March 31, 2015: Weapon Silencer & Baffles 8,991,552 March 31, 2015: Weapon Silencer & Method of Making Silencer