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Remington case inspection

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    Posted: March 22 2016 at 11:15am
I inspect each case when reloading; and while I've always got an eye out for the classic stress ring around the base. But recently I've seen a few cases with splits in the neck; after only a couple of reloads. I believe I must have one batch of cases that are thinner  in this area.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: March 22 2016 at 11:42am
Or too hard & brittle. Are they Winchester?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DairyFarmer Quote  Post ReplyReply Direct Link To This Post Posted: March 22 2016 at 9:00pm
Unlucky. Pitty you can't get PMP brass over there. I have some Remginton brass in 243 and I noticed how much thinner it is. I also have some Winchester brass which seems a bit better.
 
Have you also checked your die and decapping pin? There could be a bit of dirt on there. I put my FL die in boiling water when decapping a lot of cases to get rid of the lub. Water must be very hot and die must dry almost instantly. A good squirt of air to make sure.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zed Quote  Post ReplyReply Direct Link To This Post Posted: March 23 2016 at 3:46am
Luckily the PPU ammo is back on the shelves at our local gun shop; so I've invested in some of those to reload after using the factory loads. They seem very good anyway; the groups are quite close to what I can get from hand loads.
The cases above are Remington. The top one is from an earlier batch, it's been reloaded propably 5 times and has been annealed. The ring near the base is typical stretch, as the chamber in my No4 is large. However the lower one has had maybe 2 loads, and you can see that the rim end is still ok; probably because the No4 has recently had a new bolt head to improve the head space.
All the Remington cases I have were bought as components for hand load, not factory ammo. So a split neck after on 2 loads is not great. I have a few with the same issue from that batch.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DairyFarmer Quote  Post ReplyReply Direct Link To This Post Posted: March 23 2016 at 6:33pm
Are the cases factory annealed?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Zed Quote  Post ReplyReply Direct Link To This Post Posted: March 23 2016 at 11:26pm
I'm not sure. There are no obvious signs of annealing. But I've noticed if I anneal used cases before cleaning in the ultra-sound; the discoloration from the heat will go back to normal colour. So maybe the new cases are cleaned before packing.
I think I will try annealing the new cases prior to the first load and see if it improves.

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