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05-05-2017, 09:26 AM
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Primer Strikes 45 Shield
Anyone have any ideas, new gun 25 rounds all the same. Appears to strike outer edge of the primer and dig a furrow to center. No FTF's.
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05-05-2017, 09:30 AM
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Looks OK to me. Is this your first striker gun?
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05-05-2017, 09:48 AM
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The drag mark is probably being caused when the slide/barrel come out of battery and the barrel drops down, during the phase immediately after firing. A common sight on semi-auto pistol primers. Your actual f.p./striker impacts look good.
If you care to stage an experiment, these marks should all appear at the "12 o'clock" position on the primer.
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Last edited by armorer951; 05-05-2017 at 11:25 AM.
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05-05-2017, 09:56 AM
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looks normal to me.
Sent from my iPhone using Tapatalk
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M&P 9, Shield9.
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05-05-2017, 11:19 AM
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These strikes and marks look very similar to my 45 Shield results too. Sounds like by armorer951 description that it is a center strike followed by the 'drag'.
Mine goes bang everytime so far!
Karl
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05-05-2017, 11:36 AM
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Thanks for the reassurances, actually my third striker fired but first m&p think I will try the experiment, again thank you.
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05-05-2017, 01:09 PM
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Primer is struck in the center and the firing pin "wipes" that furrow as the empty shell is being extracted. You do not have a problem! You do have a fine gun!!!
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05-06-2017, 01:38 AM
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Known as striker drag... its caused by the slide coming out of battery quickly.
S&W has always had an early barrel dwell timing. Cases look normal for S&W
Shoot it and dont worry about it.
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06-18-2017, 11:18 AM
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I was about to post pictures of primers that look exactly like Bugtussel511 posted when I fund this post. Looks like all is normal. Is the detent shown at 6 o'clock below the firing pin hole normal as well?
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