SLR Rifleworks is a manufacturing company specializing in innovative and new designs for the firearm industry. Pioneers of the sentry gas block. SLR Rifleworks goal is to bring new, innovative products to the market. They rigorously test all of their products to ensure the customer gets the fail-proof, top quality products that they are looking for. All of SLR's products are proudly made in Central Florida in their own state of the art shop.