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Alright. I admit I am tired and have a headache so maybe I am just stupidly overlooking something.
I resized 6arc brass. Put it in my chamber and it fits and feeds and ejects.
Prime it. Still fits and feeds and ejects.
Seated an 85 sierra hpbt. Bolt won't close.
Tried several other pieces of brass. All ok.
Seated bullet lower several times. Still no go.
Seated a 60 grain Sierra. Feeds and fits and ejects. Wtf?
No marks on the bullet to indicate I was into the rifling. No marks on primer to say it was not seated completely.
Wth did I do wrong? Been reloading for 15 years so not a newbie.
Last edited by mjbgalt; 03/26/22.
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Also put a factory round in. Fits and feeds. Arghh
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I would try a sized, un-primed brass. Place a 85 hpbt in the case mouth. Do not crimp. Run this "dummy" cartridge into the rifle chamber slowly until bolt locks. Withdraw slowly as not to disturb the bullet. See what you get. 2nd choice is get a 6 ARC OAL gauge. [link] https://www.youtube.com/watch?v=fW6H9HJzsvQ[/link]
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Campfire Ranger
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I seated deeper several times until the thing looked silly and still no.
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I'm at work so many gun related sights are blocked for me.
What pics I can find of the 6mm 85gr HPBT that appears to be a stubby bullet.
I would bet the bullet ogive is contacting the throat.
AR or bolt gun?
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Campfire Ranger
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Is it possible you slightly crushed the shoulder on the brass you seated the 85 gr bullet in somewhere along the line of seating it deeper ?
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It's a bolt gun. I will try another piece of brass but I tried several already.
I will mark the bullet with some permanent marker and see if it might be hitting the lands...but it's not leaving a mark
Last edited by mjbgalt; 03/26/22.
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If there are no marks on the bullet then I'd pull the bullet and see if the empty brass chambers.
What would Porter Rockwell do?
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Guday, trimmed to length? Maybe the bullets deforming the brass? But you tried one that wouldn't chamber with bullet, then tried the SAME case and it chambered. If all the cases chamber without a bullet, that only leaves the bullet. Mike the bullet, actually a sample of bullets. Try another bullet?????? GWP. ๐ฃ๐พ๐ฃ๐พ๐ฃ๐พ๐จ๐ฆ ??????
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Campfire Outfitter
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New rifle? Howโs neck clearance?
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Campfire Ranger
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Those are typically 1.5 degree throats so itโs likely to engage way dow the bullet vs. close to the neck. It's a bolt gun. I will try another piece of brass but I tried several already.
I will mark the bullet with some permanent marker and see if it might be hitting the lands...but it's not leaving a mark
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Campfire Tracker
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New rifle? Howโs neck clearance? Yeah. Not sure on necks. Also have not loaded the 6 arc before so maybe some quirk. I dunno. Will try later when I am in the mood to be annoyed
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Campfire Ranger
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Campfire Ranger
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New rifle? Howโs neck clearance? This. Did you measure the neck of the loaded round and compare it to the factory one that fits? I bought some โbargainโ 243 brass that had uneven necks, very thick in spots. Wouldnโt chamber in a Ruger 1V.
What fresh Hell is this?
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Hmm. Good thought. But why would the 60gr Sierra fit
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Campfire Ranger
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Campfire Ranger
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Missed that part (Iโm old). Still, measure the one that wonโt go and maybe youโll know what, then maybe measure your bullets for why.
What fresh Hell is this?
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Ok. Just a matter of me being tired and not focusing. I went back and tried to make each piece of the ten I sized and primed fit.
Only three fit. So I must have grabbed one randomly and confused myself.
They are once fired from an AR, so the chamber must have been bigger than mine and they need sized more.
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Campfire Ranger
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Campfire Ranger
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Dog-tired and playing with stuff that goes boom. What could go wrong?
Whatโs your 6 built on?
Congrats on solving the mystery.
Last edited by Pappy348; 03/28/22.
What fresh Hell is this?
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It's a savage axis 2. Wanted to try the round out before building something expensive.
I quit trying to figure out the quandary when I got tired. Just meant it was at the end of the day.
I wouldn't be spending time putting powder into cases if I couldn't think clearly, for damn sure lol
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