Who here knows what kind of jig is used for an HPT test

Here is a device for sale, but appears to be a bit destructive for a singe rifle.

http://www.pcb.com/Aerospace/Explosive_Gun_Impact/Ballistic/Conformal.aspx#.UmA9DxC9M2w


http://www.pcb.com/Aerospace/explosi...c#.UmA9dxC9M2w

Maybe this is what you are looking for ?

http://www.shootingsoftware.com/pressure.htm

Guys thanks for all the reply's and help!! You guys are always help full and full of information!