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Old 01-10-2016, 07:33 PM
284wahoo
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JNP Action Screws Question



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First of all, I'm not lodging any kind of a complaint towards JNP. I'd just like to hear if my experience has been observed by anyone else. I've replaced the action screws on all my CZ/BRNO rifles with the JNP offerings and have had no trouble with any until today. I just got back my 527 from having the action bedded. I removed the action to do a clean and inspect of all metal. Upon replacing the action, when I hand tighten the action screws (JNP), the rear hex head sheared off at about 18 inLbs. I understand these screws are not supposed to get fatigued, and have only removed that action with these screws about four or five times total. On inspection of the screw, I could see that there is very little metal holding the head to the body of the screw. Anyways, just wondering how common this is. I went ahead and ordered another set from JNP tonite.
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Old 01-10-2016, 08:00 PM
CB900F
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Fella's;

I've got several set & never had a problem with them. However, I can tell you that if you get a D.I.P. trigger guard, also get the D.I.P. screws.

900F
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Old 01-10-2016, 08:03 PM
284wahoo
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Originally Posted by Big-Dummy View Post
I imagine Gerald will be along soon to tell you how wrong you are and how great J&P is. At least he can't threaten to ban you anymore for telling the truth.
Um, like I said, wasn't bashing JnP. Nothing there to be wrong about, anyway you look at it. Just passing along my experience and seeking perspective.
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Old 01-10-2016, 08:12 PM
viking499

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Call them tomorrow and tell them what happened. The hey have good customer service.
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Old 01-10-2016, 08:17 PM
robmints
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If you have a problem, call them. They are good guys.
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Old 01-10-2016, 08:17 PM
djdilliodon

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18 inch pounds is really low. Even though it's a 5mm screw it shouldn't fail that low. Do me a favor, does your stock have pillars? Answer me that and I may have a possible cause here.
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Old 01-10-2016, 08:19 PM
284wahoo
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Originally Posted by djdilliodon View Post
18 inch pounds is really low. Even though it's a 5mm screw it shouldn't fail that low. Do me a favor, does your stock have pillars? Answer me that and I may have a possible cause here.
Yes, just installed.
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Old 01-10-2016, 08:21 PM
djdilliodon

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Originally Posted by 284wahoo View Post
Yes, just installed.
Do the action screws make contact with the pillars? Look inside the pillars for thread marks. If you see any the screws are binding which can cause them to fail. Any pics of the bedded stock?
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Old 01-10-2016, 08:32 PM
284wahoo
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Originally Posted by djdilliodon View Post
Do the action screws make contact with the pillars? Look inside the pillars for thread marks. If you see any the screws are binding which can cause them to fail. Any pics of the bedded stock?
I'll have a look at the pillars per your suggestion. Did not discern any unusual tension but can't rule it out. Pics of the bedding aren't in the cards for tonite but will see about posting some as soon as I can.

Last edited by 284wahoo; 01-10-2016 at 08:35 PM.
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