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Weird reloading issue

callen3615

Sergeant
Minuteman
Jan 27, 2010
97
13
36
Peidmont, NC
Hey guys, I have been reloading for a few months now and I think I am starting to get the hang of it. I have a question tho. Im reloading .308s btw.

Once I have made a round i chamber it just to make sure its ok. Some are alittle hard to get the bolt down and they come out with a worn spot on the side of the bullet.


Is this bad? Dangerous?

Ill try to take a pic.
 
Re: Weird reloading issue

I just sized some of them. I checked the ones that the marks on them, their size was not over 2.8 inches and I actually chambered a factory Winchester round and it came out with the same marks. ????
 
Re: Weird reloading issue

Short throated rifle perhaps. Do you know how to meaure your throat with the cleaning rod trick?

Close the bolt on an empty chamber, insert a cleaning rod all the way through your muzzle so it contacts the bolt face. Get a piece of tape and mask off the rod up against the muzzle mark.
Remove the rod, get a fired case handy.
With your fired case, either put it through your seater or crimping die and just _slightly_ roll the case mouth so a bullet will grab the neck or dent the case so the same result is achieved. (The fired case shouldn't grab the bullet at all until you roll or dent the case mouth).
Now insert a bullet into your case just enough so it is being held by friction in the case mouth. Chamber this round. The rifling will make contact with the bullet and will push the bullet further into the case until the bolt is closed.
Now reinsert your cleaning rod from the muzzle and slide it all the way in until it makes contact with the bullet nose. Using the masking tape again, mask off the cleaning rod at the muzzle.
Remove the cleaning rod, and measure the distance between the 2 rings of tape. This is your rifle's max OAL. Compare that reading to what your loaded rounds are.
 
Re: Weird reloading issue

TexGal338 had a short throated factory rifle a few months ago, had to have the chamber recut to increase leade. Its rare, but not unheard of.
 
Re: Weird reloading issue

Was the bolt hard to close on the factory round?

Pay attention to the position of the head stamp, or mark the case so you can determine from what direction the mark is coming from.

Example- black sharpie mark on brass, load mark at 12 oclock
then note where wear mark is, and let us know.
 
Re: Weird reloading issue

This used to baffle me too and keep me awake at night as well. Took mine to the local guru for enlightenment. He sat me down, put his hand on my shoulder, and said: "Bennybooboo, you have much to learn..."

He then proceeded to mark up seated bullets, not loaded cartridges, with a sharpie and chamber them with his finger. When he tipped the rifle back and the seated bullet came out clean of scratches I was perplexed.

Next he pushed a seated bullet into the chamber with his finger and then closed the bolt. When it came out there were scratches on one side of the bullet that were about 1/8" long at about the 3 o'clock position.

"See, look!!! I told you it's screwed up!" I exclaimed. The wise old guru quietly chuckled as he explained that this is happens in all firearms with an extractor. According to the wise old man that some would judge to be an old hippie, based on appearances; what causes this is: as the bolt is pushed fully into battery the extractor must "pop" around the rim of the cartridge and into the extractor groove so that the spent case can be pulled from the chamber, thereby slightly pushing the cartridge to one side and scraping the throat wall/rifling in that one particular area.

If the bullets were seated too long and "jamming" into the rifling, the mark left in the ink would be much shorter (like very thin) and would be uniform around the circumfrence of the entire bullet.

Based on the description you've provided it sounds like you're experiencing the same thing. Try seating a bullet .060" longer than normal into an uncharged case (I always do this when loading to determine seating depth). After forcing the bolt to close by, presumably, jamming the bullet into the rifling and using the rifling to push the bullet further into the case, you should be able to use a little extra effort to open the bolt, eject the seated bullet, and see a faint ring in the black ink extending around the circumfrence of the bullet right at the ogive. This is the contact point of where the bullet/rifling intersectionis.

One last thought: should a seated bullet get stuck and the bolt won't pull rearward, simply use a cleaning rod or better yet a 1/4" diameter piece of wooden dowling inserted from the muzzle end to assist releasing the bullet from the rifling.

Be cool,

BBB
 
Re: Weird reloading issue

Thanks dude. I am enlightened.
wink.gif
 
Re: Weird reloading issue

Ejector is forcing the bullet aginst the edge of the chamber mouth or the edge of the receiver.

USE A DUMMY ROUND ONLY!!, polish the bullet then carefully hand chamber the round then close the bolt.

Insert cleaning rod without the tip from the muzzle over the bullet point.

Unlock the bolt and use the rod to push the bolt back and the round out, keep a slight pressure on the bolt so the rod does not slip off.

When the bolt is fully open guide the round out without letting it touch the receiver, there should not be any marks on the bullet.
 
Re: Weird reloading issue

+1 First thing I thought when I read 3 o'clock;

right hand bolt rifle with button ejector and snap over extractor.

If you had a left action then it'd be at 9 o'clock.

If you had an FN or Win with claw extractor and fixed ejector then you would get next to no marks unless it was an ogive to leade issue.
 
Re: Weird reloading issue

check both the shoulder and web of the case...

use the black sharpie here too...

chamber the round...

carefully eject/extract the round by running the bolt.

observe where the marks are. If it's up around the shoulder area you will need to bump them back a bit. If it's around the web area, you may need to FL size them. If no marks are observed in those places, check your trim length. You may me hitting the end of the chamber with brass that's too long....