reloads causing bolt assembly to hang up in AR10T

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10 years 6 months ago #37247 by foxhunter
reloads causing bolt assembly to hang up in AR10T was created by foxhunter
Just in case anyone else encounters bolt hangups, Here is another cause. I ran some recent reloads using military brass and the first 4 rounds caused the bolt to hang up, requiring me to bang the stock on the ground while pulling the charging handle back to get the round to break free. I measured the rounds and discovered the 2 mm at the base of the case was not resized. Apparently I hadn't gotten the small base resizing die down low enough on that batch. I must have assumed the die as it was already set was correct. Just that small amount apparently is keeping the bolt from closing correctly. stupid mistake.
I now get to UNLOAD 250 rounds so I can use them in the AR, or I may just reserve them for my bolt gun, which grudgingly accepts them.
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10 years 6 months ago #37249 by Dabu
Replied by Dabu on topic reloads causing bolt assembly to hang up in AR10T
RCBS makes a nice bullet puller. Hopefully you won't have to use it much.

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10 years 6 months ago #37277 by Siscowet
Replied by Siscowet on topic reloads causing bolt assembly to hang up in AR10T
I always readjust the die every time I size. Too many little things can go wrong otherwise.
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10 years 6 months ago #37288 by foxhunter
Replied by foxhunter on topic reloads causing bolt assembly to hang up in AR10T
Oh, now you give me good advice. I have learned my approach of do first, read the directions if all else fails' is not a good way to approach reloading for the AR. Dad always said I had to learn everything the hard way. Funny, I seem to be saying that to my son a lot too
Spent last evening pulling bullets ( I had reloaded this batch in 2012)

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10 years 6 months ago #37347 by MrMarty51
Replied by MrMarty51 on topic reloads causing bolt assembly to hang up in AR10T
Pull the "De-Capping" pin to leave the primers in the cases.
I`m sure You already k-knew this though.

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10 years 6 months ago #37356 by foxhunter
Replied by foxhunter on topic reloads causing bolt assembly to hang up in AR10T
I did that. I also had the bright idea that if I removed the decapping pin, I could resize the case with the bullet still in it. NOT! It just crushes the case at the base of the neck.

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10 years 6 months ago #37412 by MrMarty51
Replied by MrMarty51 on topic reloads causing bolt assembly to hang up in AR10T
Ouch !!!! Well, a lesson learned.
How is the re-sizing going now ????

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10 years 6 months ago #37490 by LebbenB
Replied by LebbenB on topic reloads causing bolt assembly to hang up in AR10T
What was the load data for those rounds?

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10 years 6 months ago #37493 by foxhunter
Replied by foxhunter on topic reloads causing bolt assembly to hang up in AR10T
resizing is progressing slowly as I get time. Have resized and reloaded 200 rounds, and rounds are feeding and ejecting with no problem in the AR10T carbine.
I am using military brass, CCI lg rifle primers, 41.9 grains Varget, Berger 168 grain bullets and some Hornady 165gr AMAX bullets.
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10 years 6 months ago #37496 by MrMarty51
Replied by MrMarty51 on topic reloads causing bolt assembly to hang up in AR10T
That should work, Your loads that is.
Pulling booolits takes time, it is all part of the program of reloading.
I too was having a problem getting the die all the way down the casing, I added a slight bit more lube and that seemed to make the resizing go easier. do`nt want to get too much lube, a dab is all it takes.
Now, pics. of targuts so We too can see how the loads is coming out the barrel. :whip: :drool: :cowboy:

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