Are all doublestar products covered by a warranty? All Doublestar products are covered by their Lifetime Warranty. Use our handy filters on the left and our sorting options on the right to narrow your search for specific parts.What is doublestar at triggrcon 2019? DoubleStar returns for a second time to display its many firearms at the 2019 Triggrcon, July 23 – 27, 2019 in Bellevue, Washington. This everyday carry was designed to be discrete and compact without sacrificing relevance.Why choose doudoublestar? Doublestar supplies the commercial market, in addition to military and law enforcement, with high quality firearms and parts that are built with precision, care and pride.Why choose doublestar ar 15? After 25 years of selling rifle parts and accessories, Doublestar decided to build their own AR-15 with the same versatility amd quality that they had provided with their other products for so many years.