Patent ID: 8186277
Filing Date: 2012-05-29
Classification: F42B

Abstract:
1. A bullet comprising a lead-free body having a tail section, a nose section having an ogived outer surface and a forward terminus, an opening at the forward terminus, the opening having a first-cross sectional dimension, and a cavity in the nose section extending rearward from the opening to an intermediate section of the body, wherein the cavity includes a forward sidewall that has at least a generally frusto-conical shape extending from the opening to a second cross-sectional dimension, the forward sidewall converging rearward from the first cross-sectional dimension to the second cross-sectional dimension, and a rear sidewall contiguous with the forward sidewall and extending directly from the second cross-sectional dimension to a third cross-sectional dimension, the rear sidewall diverging rearward from the second cross-sectional dimension to the third cross-sectional dimension.