Underwood Ammo 10mm 155gr Gold Dot Ballistics Gel Test From A Gen4 Glock 20 (HD)
This video features a ballistic gel test of Underwood Ammo's 10mm 155gr Gold Dot load fired from a Gen4 Glock 20. The test follows the IWBA protocol, including 4 layers of denim. Chronograph data indicates a velocity of 1443 fps and 716 ft/lbs of energy. The bullet achieved 155gr retained weight and an average expansion of .812 inches. The video also includes a link to the creator's Facebook page.









