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Offline Varmintnut260

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Ok whats the problem?
« on: February 04, 2010, 10:01:06 AM »
I bought a stainless model 7 in 260 rem back in Dec. I have only shot this at around 20-35 degrees. 1st time out shooting was around 30-35. I fired around 30 or so factory bullets, with time for the gun to cool down of course! The last 2, the firing pin hit the primers but didn't go off. I tried them multiple times, still wouldn't fire. I figured the bullets were sitting around for a while, maybe they had got moisture in them....didn't think nothing of them. I had a local gunsmith adjust the trigger 3-3.5 lbs (previous owner had it a little light for my taste)

I tried a few days ago. about the same temp. 5 out of 25 of my handloads did the same thing. Note When I got the gun I got some primed brass with it. I didn't think about the what happened with those factory loads, and believed the primers weren't any good....my mistake.

Today it was 27 degrees when I left the house, fired the 1st 5 rounds no problem, these are my handloads and WLR primers. Next 5 were shot about 15 mins later, one didn't go off on the 1st try. Although I did get all 5 to fire. On my last try the 1st didn't fire on the 1st try, did on the 2nd. Next 2 I could not get to go off at all. This spun me into a dimension of ticked off I've never been before in my life. I gave up b/c I don't like shooting in that mood.

 I realized it doesn't seem to strike the primers hard enough to fire after the bolt cools to outside temps like that. Could the inside of the bolt be dirty, or is this more serious then that? Any info or a similar experience would be great.
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Offline Swampman

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Re: Ok whats the problem?
« Reply #1 on: February 04, 2010, 10:16:45 AM »
I would clean & decrease the bolt.
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Offline SHOOTALL

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Re: Ok whats the problem?
« Reply #2 on: February 04, 2010, 10:18:07 AM »
and make sure primers are seated correctly.
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Offline Varmintnut260

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Re: Ok whats the problem?
« Reply #3 on: February 04, 2010, 10:36:29 AM »
Primers are seated flush with the back of the case. This may sound stupid but do the model 7 bolt come apart like a 700. This my 1st model 7, as far as outside appearance the 7 is just shorter. Is there anything else?
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Offline SHOOTALL

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Re: Ok whats the problem?
« Reply #4 on: February 04, 2010, 10:41:37 AM »
I seat mine until they bottom out so the fireing pin does not have to drive then in and set them off . Also haveing them recessed is safer some feel.
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Offline Varmintnut260

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Re: Ok whats the problem?
« Reply #5 on: February 04, 2010, 10:44:39 AM »
Ok I just checked both ones that went off and ones that didn't, I was wrong they are recessed. When I seat the primers I try to make sure they are all the way in.
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Offline SHOOTALL

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Re: Ok whats the problem?
« Reply #6 on: February 04, 2010, 10:46:49 AM »
Then i would do as Swampman suggested
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Offline SHOOTALL

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Re: Ok whats the problem?
« Reply #7 on: February 04, 2010, 10:47:37 AM »
BTW did you check any un fired rounds ? or just fired ones ?
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Offline john keyes

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Re: Ok whats the problem?
« Reply #8 on: February 04, 2010, 10:59:42 AM »
sounds to me like the cases were over-resized and the shoulders were pushed too far back...
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Though taken from established manufacturers' sources and presumed to be safe please do not use any load that I have posted. Please reference Hogdon, Lyman, Speer and others as a source of data for your own use.

Offline Varmintnut260

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Re: Ok whats the problem?
« Reply #9 on: February 04, 2010, 12:11:58 PM »
I just cleaned the bolt inside and out, which didn't look dirty at all. I checked ALL my brass that I brought to the range with me today, as well as the last time. I even went as far as using different brand brass then the last time,to today. Since it is a bolt action isn't the brass held in by the bolt and resting on the shoulders?



This problem did also happen with factory shells too, sry I forgot to write that originally.
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Offline Dave in WV

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Re: Ok whats the problem?
« Reply #10 on: February 04, 2010, 12:26:42 PM »
IMHO you still have the factory oil in the bolt. Lube the firing pin after cleaning it with Rem Drylube. I know a guy this happened to with a Ruger M77 MKII. We cleaned the firing pin and the inside of the bolt and he's never had another problem.
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Offline Varmintnut260

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Re: Ok whats the problem?
« Reply #11 on: February 04, 2010, 12:55:49 PM »
I appreciate the help and I've been noticing I have a model 700 sps-v. Now on the model 700 with the bolt completely out of the gun, the firing indicator is flush with the back of the bolt, it's 100% stock never even taken apart! Until AFTER I cleaned the model 7. Now on my model 7 the firing indicator is recessed with the bolt out. Is that normal?




I figured I'd add this, I took the bolt apart and soaked it in kerosene, let it dry, hopefully sometime this week I'll get back to the range.
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Offline Augustis

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Re: Ok whats the problem?
« Reply #12 on: May 09, 2010, 09:50:03 AM »
Does the M/7 have the ISS locking device on the bolt plug, if so check to make sure it is not in an intermediate position restricting movement of the striker.

Aug ><>
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