Thread: Remington 700 Sako and M16 extractor conversions

You guys really do crack me up. The Oehler Ballistics laboratory is used by a lot of the bullet manufacturers ballistics labs to develop their loading manuals. I spent quite some time with the guys in the Nosler lab learning all the tricks of the trade.
Yes Spanners, most of the things you mention do matter, which is why it has different inputs for all of them, including the type of steel and its Rockwell hardness rating. You do not place the strain gauge randomly, it must be situated in a precise, repeatable spot over the case body.
As brass varies so very much in composition and hardness between brands, I find it amusing that you think this is a more reliable way of establishing. pressures. As for primers, there are again many variables between brands, and between how different rifles exhibit pressure signs on the primer.