FBI Evidence Proves Oswald's Ammunition was not Capable of Sufficient Accuracy to Kill JFK

[John Lewis]

Have you accepted the fact, the legally mandated fact, that 6.5x54mm MS rifles do indeed have a groove diameter well in excess of .264"? You did, after call, call me a liar when I said (repeatedly) that my rifle had a .268" groove diameter.

JL.

Most of this is over my head, but this does appear to be a point of fact that is either true or not true.

It is absolutely true. I have posted links to the relevant pages on the CiP website. The CiP is the international proof commission which lays down specifications for the proofing (safety pressure testing) of small arms and ammunition. It codifies chamber and barrel specifications for all commercially produced firearms which are offered for sale on the civilian market. It's specifications are binding by treaty on the Countries which are signatories to it. This means that it is a criminal offence to offer for sale any small arm which does not carry a proof mark approved by the CiP in any member Country. If the arm does not meet CiP specifications then it cannot bear a CiP approved proof mark and so cannot be legally offered for sale.

I stated that I have a 6.5x54mm rifle with a groove diameter measuring .268". Bob called me a lair as he says that all 6.5mm rifles have groove diameters of .264" (which is the basis for the theory he is proposing in this thread, without it it pretty much dies). I linked to the CiP specifications for the cartridge which call for a minimum groove diameter of .2669" and which allow for up to a .2681" diameter.

JL.