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Seekins box mag feeding issues

 
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  #1  
Old 06-16-2013, 03:01 PM
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Join Date: Dec 2006
Posts: 41
Seekins box mag feeding issues

Hey guys I have a Seekins box mag on my custom 300 RUM. The shells slide up and out a little too easy. The top of the mag box on the front end seem too loose the rounds nose up early and anytime I haev more than 2 in the mag it casues issues. The extra spring pressure with 3,4 or 5 rounds loaded causes the rounds to push up too much and the second round gets inthe way of round above feeding.

Is there any science to tightening those feed lips? I leave for Africa in less than a month and dont want to muck up my mag box.

Last edited by Gooseblitz; 06-16-2013 at 05:49 PM.
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  #2  
Old 06-16-2013, 07:02 PM
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Join Date: Jan 2008
Posts: 416
Re: Seekins box mag feeding issues

I have a five round Seekins Mag that I never did get to feed. Its in the junk heap. I have a three round that works perfect. You might be able to bend the lips and make it work but I doubt it. I also had to rework the mag release, it had to have metal added then re-worked to hold the mag up higher in the box otherwise the bolt would slide over the Rd and did not feed. I don't consider this to be Seekins fault. Custom rifles are all bedded a little different and it would be next to impossible to make bottom metal assemblies that would drop in perfect in every case.
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  #3  
Old 06-16-2013, 07:37 PM
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Join Date: Dec 2006
Posts: 41
Re: Seekins box mag feeding issues

I have been judicously using a squeeze clamp to slighlyt bend the lips down and monitor with my micrometer. Also putting a little squeeze the the top of mag walls at the front of the feed lips.
Seems to hold them in better.
I ran 5 rounds through without fail once half hour later not so good. It does better with 4 on mag and less spring pressure. I just put clamp on mag walls and leaving on for a day or two. feed lips only slightly compressed from .502 down to .48 or so. I think a little work I will be ok.

I wish someone made a polymer mag for this.
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