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Author Topic: Action opens when shot.  (Read 520 times)

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Offline MINNESOTA DICK

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Action opens when shot.
« on: February 25, 2005, 02:24:10 AM »
What do you think I should do in this case?

I have a 243 H&R Ultra that I bought new.  I have reworked the crown of the barrel, and the trigger on this gun and it shoots great.  I have a problem with the action coming open some times when fireing my reloads with this gun. The load that I am using is 70gr TNT with 41 gr of Varget with OAL 2.69"

I notice that there are two wear points on the barrel lug on the out side edges and no wear in the center of the lug.

lug:     |==________==|   , the == are the wear points on the barrel lug.

With all the work that I have done can I still send it back to the factory for a fix??

Is there any way I can fix it my self??


Comments and sugestions welcome.
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Offline MSP Ret

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Action opens when shot.
« Reply #1 on: February 25, 2005, 02:27:56 AM »
The 2 wear points are normel. If you look at the underside of the barrel lug there is no contact area in the center of the lug....(....       ....). :grin:
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Offline rbjaw

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Action opens when shot.
« Reply #2 on: February 25, 2005, 03:27:36 AM »
In my case reloads were to blame.  Never had this problem with factory rounds.  Do you full length resize.  Finally got a redding comp full length sizing die.   NO problem since.
 
jaw
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Offline MINNESOTA DICK

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Action opens when shot.
« Reply #3 on: February 25, 2005, 03:38:42 AM »
Yep have problems with factory ammo also. I also run the lug dry with out any lube.

Off to barber shop for a clip job be back later.
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Offline mt3030

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Action opens when shot.
« Reply #4 on: February 25, 2005, 03:46:26 AM »
This has been a common problem. Send it back, they will repair it, and you will never have the problem again unless you get some high pressures.
mt
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Offline Greysky

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Action opens when shot.
« Reply #5 on: February 25, 2005, 03:59:26 AM »
When I first started using my .243, I was firing Winchester factory ammo in it when I encountered this rather unnerving problem.

When I started tailoring handloads for it, I no longer experienced this problem. Frankly, I think the factory loads were a bit too hot.

I am also very careful about keeping the locking lug free of lubricants.
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