Typical airgun slugs (NSA, etc.) are a tangent ogive (spitzer) nose, the the front cut off to form a Meplat.... They then (usually) have a HP in that Meplat.... The BBTs are a boattail version of the above....Bob
Quote from: rsterne on October 26, 2022, 09:39:31 PMTypical airgun slugs (NSA, etc.) are a tangent ogive (spitzer) nose, the the front cut off to form a Meplat.... They then (usually) have a HP in that Meplat.... The BBTs are a boattail version of the above....BobDoes that mean I should be using the G1 model for BC calculations?