Light pin strike


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Old 01-24-2013, 03:55 PM   #1
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Default Light pin strike

Just got bored and went to shoot. Loaded it up and on the first trigger pull it barely struck the primer. Was kinda hard to see the dent from the pin. Second try went fine but only shot off that one round and couldn't find the brass in the snow. Any ideas how to resolve this and what would be causing it?



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Old 01-24-2013, 03:59 PM   #2
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Hard to tell without seeing the primer. A good cleaning may fix the issue, but it could just be the ammo.



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Old 01-24-2013, 04:04 PM   #3
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So what would I expect to see in the primer?

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Old 01-24-2013, 04:53 PM   #4
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See if it was set too deep or if the pin is hitting off center etc.

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Old 01-24-2013, 06:21 PM   #5
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I think "snow" is the operative clue here. Extreme cold is a bad thing. Oil gets thick and gummy when very cold. Firing pins should be clean and dry. Oil on a firing pin will cause light indent misfires in very cold weather. Oil on a firing pin will also gather fouling and restirct the movement. Take the gun apart and clean the firing pin and the channel it rides in. Leave that area dry or apply a dry lube.

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Old 01-24-2013, 07:04 PM   #6
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Also some brands of ammo have tougher primers than others. What brand of ammo are you using? The combination of cold, oil, tough primer may be the problem. Give it a good cleaning and light oil, maybe a full synthetic will work like Tetra oil.

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Old 01-25-2013, 01:37 PM   #7
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Berdan primers can be tough for a mini to fire. Wolff makes a spring to help increase the firing pin force. Might or might not help. The springs are easy to fine on the net, plus on youtube there is a video showing a easy way to install the spring. I have a spring on order myself for a mini 30. It won't light up my berdan primed ammo. I am going to try the spring, hopeful it will work, if not I will see what a gunsmith can do for me.

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Old 01-25-2013, 07:08 PM   #8
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Quote:
Originally Posted by robocop10mm
I think "snow" is the operative clue here. Extreme cold is a bad thing. Oil gets thick and gummy when very cold. Firing pins should be clean and dry. Oil on a firing pin will cause light indent misfires in very cold weather. Oil on a firing pin will also gather fouling and restirct the movement. Take the gun apart and clean the firing pin and the channel it rides in. Leave that area dry or apply a dry lube.
That's what I think the problem is because it has been sub 0 last few time I've been shooting


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