Double Tap Ammunition Double Tap 500 Equalizer Handgun Ammunition .500 S&W 455gr HP 1801 fps 20/ct. That is what you get with the new Equalizer load in 500 S&W from Doubletap. Package Contents: Doubletap Ammunition Double Tap 500 Equalizer Handgun Ammunition .500 S&W 455gr HP 1801 fps 20/ct Two hits on target with every shot That is what you get with the new Equalizer load in 500 S&W from Doubletap. 500455EQ