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Thread: necking down 308 to 260 rem

  1. #1

    necking down 308 to 260 rem

    Which is the best way about it,

  2. #2
    Quote Originally Posted by swarovski View Post
    Which is the best way about it,
    the best way to do it is buy 260 brass in the first place,as any necking down can cause inconsistant neck thickness and also brass migration,so neck turning will be your next job and more expense so if your trying to save money buy necking down "you wont "

  3. #3
    See it shoot it is correct ! more cash and agro than buying the correct cases

  4. #4
    I've not noticed a degradation in performance in necking down from the larger cases and generally don't neck turn UNLESS it's necessary such as too thick a neck for the new round. If I had to turn a lots of meat off then I'd not bother.

    The rounds I've done this on are 22BR from 6mm BR and 17 Hornet from 22 Hornet. The latter doesn't need turning to deliver sub-MOA (well, 0.3 - 0.4 MOA five shot groups) and the former had to be turned due to the required neck diameter.

    I have turned the necks of my 22-250, 308 and 30-06 rounds just to see what happened and it wasn't really worth it but is simple enough of you bother to get the right gear. I use K&M kit and a bit of power assistance. With the 22BR I think I knocked up about 500 cases with much bother.

  5. #5
    Spud does Lapua 260 Rem brass. I have Remington brass from factory ammo I shot and Nosler brass I got when I spotted it some years ago, but starting afresh, I would go straight to the Lapua brass. I need to decide whther or not I should continue with my Remington 260 Rem brass or just bin it. Regards JCS

  6. #6
    I've been using Laoua 243 necked up for my 260 with no problems, never tried necking down due to the thick neck concerns.

    When I shoot up the current batch I will dump this brass and replace it with Lapua 260.
    Brian.

    Just because you are paranoid, doesn't mean they aren't out to get you......

  7. #7
    Quote Originally Posted by jcampbellsmith View Post
    Spud does Lapua 260 Rem brass. I have Remington brass from factory ammo I shot and Nosler brass I got when I spotted it some years ago, but starting afresh, I would go straight to the Lapua brass. I need to decide whther or not I should continue with my Remington 260 Rem brass or just bin it. Regards JCS
    Hi Jcs
    How did you find the nosler brass, I'm in the position where I'm going to need some more 7-08 brass shortly. Unfortunately Norma brass is an absolute fortune, and I was thinking about trying Nosler.
    ​dcg

  8. #8
    Quote Originally Posted by swarovski View Post
    Which is the best way about it,
    To answer the OP's question, .308=>7mm-08=>.260=>neck turn=>anneal=>trim.

  9. #9
    Quote Originally Posted by DCG View Post
    Hi Jcs
    How did you find the nosler brass, I'm in the position where I'm going to need some more 7-08 brass shortly. Unfortunately Norma brass is an absolute fortune, and I was thinking about trying Nosler.
    ​dcg
    dcg. The Nosler brass is ok, but from what I read, Lapua and Norma are the brasses of choice. The Nosler brass is certainly better than the Remington brass. One box of Nosler is on its 7th firing. I'm not getting the neck consistency with the Nosler brass that I am looking for, it's close, but I hope the Lapua will be better. Some of the Remington brass is on its tenth firing. Regards JCS

  10. #10
    Quote Originally Posted by Claret_Dabbler View Post
    I've been using Lapua 243 necked up for my 260 with no problems,
    surely this is the best way, no?

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