A3 Industries HDA3 Folding Stock Picatinny

The HDA3 is a modular brace system developed from a collaboration between Haga Defense and A3 Industries. The HDA3 was designed specifically to integrate seamlessly across dozens of firearm platforms without sacrificing strength or aesthetics to do so. The HDA3 fills a footprint that the gun industry has already come to love while providing a level of quality, modularity and durability that has never been offered in a similar package. FeaturesFolding Steel Hinge: The HDA3 utilizes a steel hinge