Doublestar Corp

The Doublestar OOPS! detent kit collects the small parts that most often go flying across the shop floor during an AR-15 build. Pivot pin detent, takedown pin detent, safety selector detent, buffer...

The Doublestar AR-15 lower parts kit gives you the parts to finish a stripped AR-15 lower for a 5.56 NATO build. Doublestar sources American-made components for the kit, and the fire control group is...