Well, I decided to go back outside and play lol. Fired a couple more just to compare recovered bullets from varied test medium. The bullet on the top left was fired through an anti-freeze-sized jug (app. 2.5" in depth) of water and into dry newsprint. The bullet on the top right was fired through three inches of compressed dry newsprint and captured in wet cotton fabric. The bullet on the bottom was fired into a mix of wet newsprint and wet cotton fabric. The latter method generally gives the widest mushroom and most closely replicates what happens when a bullet meets flesh and bone. Dry newsprint is not a good indicator but can tell you a bit about a bullet's integrity.
None of these lost cores, and while the mediums varied significantly, all three recovered bullets weighed between 85.8 and 89 grains. All of this was done at 200 yards, so the impact speeds would have been around 2200 fps.
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