Penetration and expansion test of the 9mm 115 grain Speer Gold Dot JHP using a diluted form of SIM-TEST Ballistic Testing Media. This format is comparable to ballistic gel, and includes four layers of denim. Video includes brief overview of the cartridge, recoil shots, and one shot test. Post-shot evaluation shows bullet path through the block, average diameter, and retained weight. Test gun was a Glock 19, 4" barrel. CAMERA: Sony HDR-CX560, 60p, 28 mbps, 1920 x 1080 HD. EDITING: Sony Vegas Movie Studio HD Platinum 11, MP4, 30p, 16 mbps.