12 Gauge Shotgun Winchester 2 1oz Rifled Slug slow motion ballistic gelatin

20 barrel, cylinder choke, 10 feet distance. Maximum penetration depth (20 gelatin) Maximum temporary cavity 9. 1 Bullet expansion 1. 231 average diameter square inch surface area) Each block that the gelatin sits on is exactly 1 across and the spaces are exactly 1 across. 20 gelatin is tougher than 10 gelatin that is used for static gelatin testing. Check out more at: Website Blog Bullet Velocity chart: http: