Keith RW Posted November 19, 2016 Report Share Posted November 19, 2016 Just bought a couple of boxes of Black Gold Game and put them to the test today as ran out last week and straight away started to experience trouble opening the shotgun to eject spent cartridges, problem just existing on the bottom barrel with firing pin fouling the spent primer. Not experienced this with other Black gold Game cartridges used this season or any others for either game or clays but have fitted new firing pins prior to start of season, original Browning from the seventies and that were harder to source than rocking horse do da for my 1973 Browning Liege Having got back in this afternoon I checked again with spent cartridges and the pin fouling was still an issue so measured protrusion at .070" which may have been a bit long according to research so decided to remove it and polish the now marked business end and also polish a bit off the rear shortening it overall by .08" which now appears to be ok.... well at least on empties.... time will tell next outing Could part of the problem be soft primers deforming more than others and bulging causing an issue ... anyone else experienced similar Quote Link to comment Share on other sites More sharing options...
White Rabbit Posted November 19, 2016 Report Share Posted November 19, 2016 You're problem could well be the B&P cases. The lack of a full brass head means the primer depth is entirely dependant on the plastic inner being properly formed. We've had batches with low primers so I see no reason why they couldn't be too high as well. Personally I class them as a pointless sales gimmick. Gamebore introduced Dark Storm using the same gen2 f2 powder but more of it to create a higher velocity/recoiling cartridge yet didn't use the supposedly recoil reducing B&P case. You have to wonder why? WR. Quote Link to comment Share on other sites More sharing options...
panoma1 Posted November 19, 2016 Report Share Posted November 19, 2016 I am a SBS man, so I confess I don't know a lot about U/O's, but the striker dents in those primers appear well off centre? Is that normal? Quote Link to comment Share on other sites More sharing options...
rbrowning2 Posted November 20, 2016 Report Share Posted November 20, 2016 (edited) Not 100% clear from the photo but if their are signs of powder burn residue and a tiny hole the primer then it looks like either the cartridges are over pressure which is unlikely one would hope or your firing pin needs to be renewed. How old is the gun and when did it last have a set of new firing pins? Suggest a reputable gunsmith takes a look at both the gun and the cartridges. Edited November 20, 2016 by rbrowning2 Quote Link to comment Share on other sites More sharing options...
deershooter Posted November 20, 2016 Report Share Posted November 20, 2016 More like your firing pins are damaged Quote Link to comment Share on other sites More sharing options...
Keith RW Posted November 20, 2016 Author Report Share Posted November 20, 2016 Thanks for the replies chaps,the pins are new and I suspect as per WR's reply that the cartridges are the issue here as not experienced this with any other of several brands used to date this season, will see how we fair next time out and make a point of taking a selection of carts and investigate results. best regards,KRW Quote Link to comment Share on other sites More sharing options...
JJsDad Posted November 21, 2016 Report Share Posted November 21, 2016 (edited) Your photos exhibit all the hallmarks of excessive striker protrusion. Try checking with a vernier caliper with the action in the fired condition. Protrusion should be around 0.055 (min) in. to 0.065 in. The softness of the primer has got nothing to do with the ammount the striker can protrude through the breech face. The drag marks on the primer are indicative of the strikers still protruding when you open the gun. If the pins are new, as per your later post; whoever fitted them has left them excessively long. Edited November 21, 2016 by JJsDad Quote Link to comment Share on other sites More sharing options...
panoma1 Posted November 21, 2016 Report Share Posted November 21, 2016 Your photos exhibit all the hallmarks of excessive striker protrusion. Try checking with a vernier caliper with the action in the fired condition. Protrusion should be around 0.055 (min) in. to 0.065 in. The softness of the primer has got nothing to do with the ammount the striker can protrude through the breech face. The drag marks on the primer are indicative of the strikers still protruding when you open the gun. If the pins are new, as per your later post; whoever fitted them has left them excessively long. And this would explain why the gun is hard to open after discharge! Quote Link to comment Share on other sites More sharing options...
Paul1440 Posted November 21, 2016 Report Share Posted November 21, 2016 I've been having the same problem in a dt10. Thought it was down to the good strikes it gives. However I noticed it again when using my perazzi. Not had a problem with either gun until recently and have put it down to soft primers.. Quote Link to comment Share on other sites More sharing options...
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