NERF Swarmfire Gun Review. From Hasbro toys, the NERF Swarmfire introduces the Dart Tag system. . NERF Swarmfire was released in April 2011.

The Nerf Swarmfire will shoot in auto-fire as many as 20 Nerf darts. In this video we test the range and firing rate of the Swarmfire gun, and we test the Dart Tag darts against several materials.