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Really Larry is right that returning of the gun and replacement rather than repair would be better if that is possible SS are you saying l am not as smart as l think l am you may be rightĪnyway l would like to add that if you clean the barrel before doing the test SS describes you will be feeling problems not fouling although fouling could be a problem but l dont think so because there is an improvement with some of what you have done already So your effectively saying that the ppl whom have given advice thus far in this thread - before you posted - are over estimating their abilities and knowledge, but you yourself are immune ?Īnd then you happen to give advice, that one might consider “advanced” - and advice that is prone to irreversible barrel damage if carelessly undertaken by someone inexperienced.hmmm interesting. They should have just asked you about wasting their time. What is important is the quality of the rifling close to the crown.īeyond that there there an array of issues that can affect rimfire accuracy, as distinct from centerfire accuracy, none of which respond to tinkering with bedding.Īll over the world there have been millions of rimfire that have improved with bedding, screw tightening, pressure pads and general tinkering. Generally perfection in the crown is of far less importance than gunsmiths claim. One thing to be careful of is to have a physical barrier preventing the the jag passing out of the muzzle while making quite a few backward and forward strokes. You might be able to fix the problem by cleaning the bore with JB paste which might also negate some of the roughness. If you can see any leading then that is part of your problem. There is only one real cure for a bad barrel.Īs for leading take the rifle out in the midday sun and position it so the muzzle end is brightly illuminated and you can view the bore preferably with magnification. If you feel tight and loose spots then that is an indication of a poor barrel or bad leading.
YOUTUBE BED NORINCO JW 15 PATCH
Push a dry firmly fitting patch through the bore. It is the Dunning Kruger syndrome in operation.įirstly the few JW15 barrels I have examined have been pretty rough although some shot quite well. Thanks.įorget most of the so called advice one may see in this type of thread. Am I expecting too much too early, should I properly float the barrel or just keep shooting it to see if it comes good with use? Any help would be appreciated. I also backed off the tension on the action screws a bit before the 35mm group.
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It doesn't look to have an even bevel all round the opening. I 've looked at the crown and from my very limited experience it looks a little dodgy. It was windy today with about 10+ knots cross wind but I would have expected better results. After shooting my HMR which generally shoots where I point it this has got worried that I've bought a dud. That was followed up by a 40mm, 73mm, 95mm and then a 53mm group. That's when I shot the 5 shot 35mm group. Today I changed the scope over from my HMR and shimmed up the action to temporarily float the barrel to see if that made an improvement.
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I then went out and shot it and after 60 odd rounds the best 5 shot group I had was 118mm. Before I shot it I gave it a thorough clean and removed all the grease from the barrel. I've put about 200 rounds of various ammunition through it but the best 5 shot group I have come up with is 35mm. I bought a new Norinco JW-15 (Synthetic stock) a week ago after they were recommended as a good accurate bunny gun. ]Hi, I'm new to the forum and this is my first post.