references to primary sources . please improve this by adding secondary or tertiary sources . august 2012 learn how and when to remove this template message this article may contain improper references to self published sources . please help improve it by removing references to unreliable sources where they are used inappropriately . august 2012 learn how and when to remove this template message lwrc international llc formerly known as land warfare resources corporation is a cage defense contractor and firearms manufacturer founded in 1999 and based in cambridge maryland . 1 from 1999 to january 2006 the company was primarily engaged in research and development . in january 2006 the company was purchased in a management buyout by u.s. army veteran pat bryan . after reorganization the company moved into full fledged firearms manufacturing . along with the management buyout lwrc absorbed grenadier precision ltd. company of texas . the company produces several weapons based on the m4 carbine which use a proprietary short stroke self regulating gas piston system and bolt carrier design . 2 this system prevents trapped gases from contacting the bolt carrier or receiver of the weapon which reduces the heating and carbon fouling of the internals simplifies field maintenance and improves reliability . 2 three segments of the discovery channel show future weapons were filmed featuring lwrc s weapons . weapons featured were the m6a2 m6a4 3 and the sniper assaulter battle rifle lwrc sabr . references edit about lwrc a b lwrc technology russell c. tilstra 29 december 2011 . small arms for urban combat a review of modern handguns submachine guns personal defense weapons carbines assault rifles sniper rifles anti materiel rifles machine guns combat shotguns grenade launchers and other weapons systems . mcfarland . pp. 90 . isbn 978 0 7864 8875 9 . external links edit lwrc international f & d defense v lwrci colt news retrieved from https en.wikipedia.org w index.php title lwrc international & oldid 716586056 categories firearm manufacturers of the united statescompanies based in marylandmanufacturing companies established in 1999hidden categories articles lacking reliable references from august 2012all articles lacking reliable references navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages fran ais edit links this page was last modified on 22 april 2016 at 15 25 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view