Originally Posted by Oldelkhunter

In the case of the REmington 700 the barrel at one point was a casting and then heat treated and then hammerforged. The action is a blank of SS or CM and then heatreated, there is no forging.

Investment casting orients the grain structure in to the shape of the finished object and results in enormous strength.


In the case of the 700 barrel there are a few stages besides heat treat between casting and hammer forging.