andrewtac Posted January 7, 2015 Share Posted January 7, 2015 It is a visual inspection, look at several at once. You will see if some are higher. Link to comment Share on other sites More sharing options...
kgil275 Posted January 7, 2015 Share Posted January 7, 2015 I check for high primers when case gauging and before loading mags. I like to run my thumb over the primers and can feel if the primers are below flush, flush or high Link to comment Share on other sites More sharing options...
BeerBaron Posted January 7, 2015 Share Posted January 7, 2015 yeah they should pretty much all be below flush. I know my primers are seating as far as they can go when the primer insertion pin leaves a light tool mark on the face of the primer (well it does on soft federals, on harder primers usually not visible). Link to comment Share on other sites More sharing options...
Smitty79 Posted January 19, 2015 Author Share Posted January 19, 2015 I got some 2000 grit emery cloth and polished the firing pin channel. Today I had 1 FTF, that fired the second try in 400 rounds fired (Good practice day!). I figure it can only get better with cycling. I may have to polish some more and get to the hammer strut too. Then maybe I can use an 11.5# spring. Link to comment Share on other sites More sharing options...
kneelingatlas Posted January 19, 2015 Share Posted January 19, 2015 Did you mean light strike? FTF is usually failure to feed. Link to comment Share on other sites More sharing options...
Smitty79 Posted January 19, 2015 Author Share Posted January 19, 2015 Yes. Fail to fire. Link to comment Share on other sites More sharing options...
BeerBaron Posted January 19, 2015 Share Posted January 19, 2015 if it fired the second go (and I'm assuming you just pulled the trigger again so that the second try was DA, and assuming you were part way through a mag so first shot was SA) that tends to point to it not being seated deep enough. a DA strike has a little less power than the SA strike (as the DA hammer falls at a point before the SA hammer hooks). so it sounds like perhaps the first SA strike seated the primer deeper, second strike set it off. if you get another fail to fire. eject the round and have a look at the primer. see what kind of mark is on it and compare that mark to other fired cases. then put it back in the gun, and shoot it DA and see if it fires. Link to comment Share on other sites More sharing options...
rhart123 Posted February 20, 2015 Share Posted February 20, 2015 I was having ignition probs on my Sphinx SDP Compact after CGW springs on WWB 115 GR. until I read the post by WAKTASC concerning polishing the firing pin and the effect the FPB could have. I polished the FP really good paying special attention (more than polish) to the areas engaged by the FPB. As a result I fired 300 WWB and 50 Win Train & Defend 147 gr. during one session without a problem. Link to comment Share on other sites More sharing options...
thompsoncustom Posted February 20, 2015 Share Posted February 20, 2015 I have 100% with CCI primers and a 11.5lb main spring. I would first look into the seating depth pretty hard but it doesn't hurt anything to polish everything up. I haven't got to the point yet where the 7.5 Dan Wesson spring in my shadow is 100% reliable with feds but it might be doable. Link to comment Share on other sites More sharing options...
kneelingatlas Posted February 20, 2015 Share Posted February 20, 2015 7.5 Dan Wesson spring in my shadow Link to comment Share on other sites More sharing options...
SufferInSilence Posted February 21, 2015 Share Posted February 21, 2015 Im running an 11# in my shadow with CCI, Win and even some Tula, and I have a 13# HS in my P01 and it eats everything, maybe I just got lucky. Either way I agree, Polish x3!!!! Link to comment Share on other sites More sharing options...
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