Penetration Test - .38 special vs .357 magnum - TheFireArmGuy
This video conducts a penetration test comparing .38 Special and .357 Magnum ammunition fired from an SP 101 revolver into OSB board. It details the performance of various loads, including standard pressure, +P, jacketed soft point, and jacketed hollow point rounds, noting differences in penetration depth and bullet expansion. The test highlights how bullet construction and velocity impact terminal ballistics against a common barrier material.











