What is the difference between L.U.P VS PSI? P.S.I. (pounds per square inch) and L.U.P. (lead units of pressure) are used to measure chamber pressure in the various shotshell gauges. L.U.P. is calculated through the use of a lead crusher and was used for many years, but has been replaced by the more accurate P.S.I. […]
shotshell
Shotgun Drop Factor
Shot shell Drop / Trajectory: Perhaps one of the things that will cross a shotgun hunter’s mind once in awhile is how much does shot drop over a given distance and does this trajectory matter. It goes without saying that the pellets are losing energy as they travel downrange to their intended target. The controversy […]