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December 14th, 2014, 11:17 PM #1
223 rolled shoulder when chambering
Not sure how else to describe this...
This happened today, in my 16" barrel AR. The same thing happened in my 11.5" suppressed AR. They look identical. Both times the action was frozen out of battery and I had to "mortar" the rifle to open it (grab charging handle, slam stock against knee, inertia opens action) so it took some force.
The one pictures is from the first incident that I had the state of mind to save. It's Wolf Gold 223 brass that I'm guessing is once fired since it's kind of new to the market but it might not be, I picked it up at the range after a carbine class this past fall.
I do not have the piece of brass from the incident today, because I got annoyed and chucked it in the woods at the range. I realized my mistake as soon as it left my hand lol. I might go look for it if it really matters.
I've loaded a couple thousand rounds with no issue, but recently I switched from full length sizing and depriming (Lee die) and trimming (Dillon rapid trim with full length outside sizing die) in two separate single stage presses to combining them on a tool head with nothing else on my Dillon 650 press. I have the full length resizing die backed off just a touch at the advice of a friend so as to not overwork the brass and the rapid trim die is set to finish.
I checked the die settings with a dillon case gauge.
I haven't touched my Lee bullet seating die or my Lee crimp die for about 3000 rounds.
I'm not sure if this is a brass issue or if I have something set up wrong with my dies.In America arms are free merchandise such that anyone who has the capital may make their houses into armories and their gardens into parks of artillery. - Ira Allen, 1796
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December 14th, 2014, 11:20 PM #2Grand Member
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Re: 223 rolled shoulder when chambering
Gotta bring the seating die down to meet the shell holder when it's in the UP position then adjust the seating knob .
I did it today too making dummies for my madsen.Last edited by Stooperzero; December 14th, 2014 at 11:22 PM.
a slow death awaits you,but not before love reminds you that there is good in you
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December 14th, 2014, 11:34 PM #3
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December 14th, 2014, 11:39 PM #4Grand Member
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Re: 223 rolled shoulder when chambering
with no case in. pull your ram/arm down so the shell holder comes up.
it should just barely make contact with your seating die.a slow death awaits you,but not before love reminds you that there is good in you
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December 14th, 2014, 11:46 PM #5
Re: 223 rolled shoulder when chambering
I understand that, but what is the root cause of the problem here
In America arms are free merchandise such that anyone who has the capital may make their houses into armories and their gardens into parks of artillery. - Ira Allen, 1796
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December 14th, 2014, 11:56 PM #6
Re: 223 rolled shoulder when chambering
It looks like the brass is folding when the crimp is coming in. You just want to bump the brass with the FCD.
Lycanmybetthrope
I taught Chuck Norris to bump-fire.
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December 14th, 2014, 11:22 PM #7Grand Member
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Re: 223 rolled shoulder when chambering
That's interesting. It almost looks like way too much crimping.
FOAC Member, NRA Member
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