Have any of you experimented with slower velocities in order to get better penetration? Though this sounds back asswards I have had people tell me of amazing penetration with a slower projectile. I've not done this but the theory they tell me the faster the bullet the more the surface appears to react like it's harder?! A few years back Myth Busters tested firing bullets in a tank and then a swimming pool with the idea "would you be safe 3' feet under water" or whatever the depth was. They shot firearms as I recall like muzzleloader, 45acp, 3006, 223 and 50BMG. Now from what I remember the faster the bullet the less penetration it had especially the 50bmg since all the fast bullets exploded on the surface and never made it to the balistic gel where as the slower bullet pushed further.