Seeing the elongated finial entry pipe is a Bucks County LR feature, many builders don't inlet one possibly because of the difficulty factor.....it's really not that difficult. My first BC entry pipes were one piece , but found that making the pipe and finial separate pieces and high temp silver soldering them together was easier. The pieces of brass sheet {.040 thick} have to be annealed before starting.
Male and female form blocks have to be made....the male is the same contour as the lower forestock of the rifle and the female concave shape corresponds to the male plus .040 allowance for the brass. If only one pipe is to be made, pine could be used...otherwise maple is much more durable. The form has a spherical radius that has to peened around a .455 drill...the pipe fits here.
The pipes are formed and the tabs are clamped together and 2 lengths of 1/16 dia high temp silver solder are laid in the groove and are heated w/ a Mapp Gas torch. A 3/8 dia reamer cleans out the hole. This alllows a 1/2 " long tab..... I don't like long slots in the web.
The completed entry pipe is inletted w/ the "wings" somewhat spread open and when the top of the finial and the pipe are "home", the "wings are gradually pushed against the stock and are then inletted.
The pics show the making better than I can explain......Fred
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