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[Willie]

Print says .2980 for the neck.

I have 50 - 270-06' cases done. Will anneal them again today, then size them down to 6.5.

I have gotten a few PM's with differing advise.
Some say trim the cases, some say don't trim the cases. What is the consensus on trim or don't trim ?

I think I will try the cream of wheat method for the first firing (pros ... cons on this )

Thanks again to all that reply.

If your print is correct and you want .004" total clearance, turning necks to .015" will work just fine.

.298" minus .264" minus .004" = .030" ÷ 2 = .015".

If you have the reamer print you should be able to decide whether to trim or not, but I'd form a case (not trimmed) and measure it vs my print neck length.

 

[TTE]

If your print is correct and you want .004" total clearance, turning necks to .015" will work just fine.

.298" minus .264" minus .004" = .030" ÷ 2 = .015".

If you have the reamer print you should be able to decide whether to trim or not, but I'd form a case (not trimmed) and measure it vs my print neck length.

Well, .... I don't have the actual 'print'. When I asked some questions, they sent me this -

https://4drentals.com/4DTEST/wp-content/uploads/2016/11/6.5-06_AI.jpg

 

[Willie]

Well, .... I don't have the actual 'print'. When I asked some questions, they sent me this -

https://4drentals.com/4DTEST/wp-content/uploads/2016/11/6.5-06_AI.jpg

To be sure you can fire a couple pieces of brass twice, measure O.D. of neck and add .001".

You never know the number of chambers cut with a given reamer on factory stuff.