sticky bolt lift in out 7-08 with 308 sized brass

[WhelanLad]

I've taken .308 brass and necked down for 7mm-08.... I determined conclusively the neck was just too thick and wouldn't chamber easily.... remainder of case dimensions were ok.... I didn't want to turn necks so I just scrapped the project....[/QUOTE]

haha Touche, Me toooo im over the NNY/PPU brass lol. il stick to standard 708 stamped brass , im almost due for a new bag as this is some initial cases since ive had the rifle

 

[RonR]

For what it's worth Whelan, I use resized R-P 308 for plinking rounds in my 7-08 Savage bolt. Those ones fit just fine after full length resize using a Forster full length die.

Inherited some 7-08 Hornady head stamp brass from my buddy's boy who also shoots Savage bolt. That brass after resizing really doesn't want to fit without significantly more chambering force. As others have indicated, I wish I had a small base die to resolve the issue. When I come across one, I'll be picking it up for situations like this.

Also use PPU brass here. Stuff is tough, and keeps shape well from my experiences.

Regards
Ronr

 

[WhelanLad]

For what it's worth Whelan, I use resized R-P 308 for plinking rounds in my 7-08 Savage bolt. Those ones fit just fine after full length resize using a Forster full length die.

Inherited some 7-08 Hornady head stamp brass from my buddy's boy who also shoots Savage bolt. That brass after resizing really doesn't want to fit without significantly more chambering force. As others have indicated, I wish I had a small base die to resolve the issue. When I come across one, I'll be picking it up for situations like this.

Also use PPU brass here. Stuff is tough, and keeps shape well from my experiences.

Regards
Ronr

Thanks for the info Ron,
i believe ya right about the ppu/nny brass being rather tough, will do good in a .308 down the track (kimber has a 308 barrel in the safe waiting) an i feel the whole fired in another gun thing combined with the FLS die not doing those last few MMs is what the major issue is, with some possibly coming to neck tension issues aswell . ( ive noted this kimber chamber to be tighter than not)..


im also experiencing some "wobbly" cases, so of those initial FC 708 stamped brasses, now in their 4-5-6?th firing , when i go to check their length on the Lee zip, i note that one in 40 is Really wobbley?? ill google this up but something must be wearing and the thrust of the extractor ? is putting the case base or something out of shape... thoughts?


haha, i need new brass.......... in saying this, the RP 308 brass , looks to be softer an shiney-er , will size one or three of those and see for future hunting loads.

cheers

 

[Maple57]

As a side note, military Lake City brass is very hard, and once fired machine gun fired brass can be extremely hard to resize.

There are some tricks to dealing with brass spring back and sizing .308 cases.

1. Size the .308 case first in a 30-06 die to reduce the case body diameter, Then size again in a .308 die and check in a good case gauge.
2. You can size the .308 case first in a carbide .45 acp die and reduce the case base diameter. This is in effect a small base die as it is only sizing the base of the case. Then size in a standard .308 die and check in a good case gauge.

The above methods were in several reloading forums when dealing with hard to size military 7.62 cases and I tried them both. And my point being these methods may save you from buying a small base die. And pausing at the top of the ram stroke also greatly reduces brass spring back and might save you the price of a small base die.

Interesting idea about using 45 ACP die...

I happen to use a couple of these aluminum shell holders from Viper Bench Rest and the hole sizes are correct to be used as a go gage for 308 cases. Saved my bacon many times when working with cases that need a little more attention. If the case wont fit, it needs a small base die or maybe the 45 ACP trick.

I've been bugging him to make me one for 223 brass.