Well, because the ballistic coefficient of a BPC bullet is very low when compared to modern ammunition (.380 to about .420), wind drift is a major concern. Letâs take a look at just how much wind can affect the flight of the bullet when it is blowing at 5, 10, 15, and 20 miles per hour.
Shelved record boxes of an archive. An archive is an accumulation of historical records or the physical place they are located. Archives contain primary source documents that have accumulated over the course of an individual or organization's lifetime, and are kept to show the function of that person or organization.
Making the world better, one answer at a time. National archives exist in many countries. The purpose is to document and preserve acts of government, presidential decrees, and the regulations of the country.The second purpose may vary by country.In the US, the National Archives and Records Administration is also the body that transmits the Electoral College votes to Congress.he Archivist of the United States is the chief official overseeing the operation of the National Archives and Records Administration.    On July 28, 2009, President Ob â¦ ama nominated David Ferriero of New York to be 10th Archivist of the United States.