Funny thing the Internet I stumbled across this thread turns and it out its regarding my actual rifle, a Remington M700SA in 6.5RSAUM. It has a Serial number in the RR series
This thread has made interesting reading
The rifle was quoted for and built 2014 exactly as quoted. All parts were new and none supplied by me. The rifle was to be my "hunting rifle" and as such is only used 3maybe 4 times a year to fill the freezer. (I have other rifles for range shooting.)
It shot the load, supplied with the rifle superbly for some time, then began to have extraction issues and I found the solder was letting go where the bolt body / handle were joined. ( I believe there were primary extraction issues encountered during the build)
It was sent away to be fixed by the supplier and then my extraction issues appeared.
(Pretty much exactly as described by Oki22br above)
Since then the bolt handle has been re-soldered , screwed and finally last time tigg'd on, I do not believe the welding job was well executed at all.
I could post a picture but that is unfair on the supplier as he personally did not to the work I believe.
I firmly believe the issue is primary extraction related and quite possibly made worse as the result of repair attempts.
If I look closely on the extraction cam's I cannot see any evidence, they actually meet or contact at any point in the extraction cycle. There are no polish marks on either surface which would indicate they have been in contact.
I replaced All my brass after the last repair attempt on the recommendation of the builder/supplier, but issue persists. I cannot try factory ammunition as there is none available.
The rifle was only worked on by the supplier or his gunsmith(s), until just recently, see below.
I no longer have the rifle in my possession currently, it has been sent to an independent gunsmith for repair at my cost as I feel 3-4 attempts by the supplier, over time, for a successful resolution is more than fair.
I have since purchased a new rifle to use for hunting but do not feel I should have to just scrap the SAUM as a bad experience and cannot sell a problem rifle to someone unsuspecting.
FWIW
If its somehow my fault then he will get an apology in person