Underwood Xtreme Penetrator Standard vs +P Ballistic Gel Test With the .380 M&P Shield EZ!
This video details a ballistic gel test of Underwood Xtreme Penetrator ammunition in .380 ACP, comparing standard pressure and +P variants fired from an M&P Shield EZ. The test measured velocity and penetration, revealing impressive performance for both loads, with the standard pressure slightly outperforming the +P in depth. The solid copper projectiles maintained their integrity and created significant wound channels.










