[4] It features stainless steel ported barrels and an aluminum frame that holds two extra rounds in the grip.

[1] Heizer Defense, the original manufacturer, has stated that the gun was inspired by the FP-45 Liberator pistol, which was designed for use in France by the resistance against the Germans during World War II.

"[8] A month later, it was announced that Azimuth Technology in Naples, Florida had been selected to manufacture the pistol.

[7] Early customers reported problems with "double strikes", a malfunction in the trigger system that would fire both barrels simultaneously.

DoubleTap Defense ceased production in 2013, intending to develop a "Gen 2" design that would correct the issue, but financial problems and legal conflicts with Hornady and the unrelated DoubleTap Ammunition led the company to liquidate its remaining inventory and close its operations.