Sad story. Luckily my 300WSM problems which were similar was fixed by a Williams extractor. If not it was going down the road as well. I hadload as well and could get it to shoot well enough but my MRC CM barrel was in no way hand lapped as claimed and remains a disappointment.

I think the final nail in the coffin is that Winchester which had all sorts of problems at the time of the MRC's introduction has really got their act together. Just got a M70 Supergrade in 30-06 and really wondering why I even bothered. sleep Great barrels and the action/feeding is all sorted out, even grew to love the new trigger and no bedding issues. CRF bargain of the decade IMHO.

regards
JohnT