jayward Posted November 18, 2007 Report Share Posted November 18, 2007 Not had this gun long and its only my second gun , Last week at the clay ground i had a few misfires where the shell had not been struck well , i wrongly assumed that the gun was dirty so i proceeded to remove the stock and give the internals a good clean and oil The hammer springs or Striker Springs (i think thats what they are called ) they are what appears force a hammer like object in the direction of the firing pins on left on right !!! Where clogged up especially in the seats ... When I look @ the pin protrusion they seem to be quite equal in both top and bottom barrels Only the bottom barrel has issues now if you fire the gun into snap caps theres a noticeable difference in the strike tone So what im wondering is should swap the springs over and give the gun a few boxes on the bottom barrel and see if she misfires ,, then i know what its down to , I Would like to have a go at fixing it myself purely as its the way i am , And no not tight Just bloody inquisitive lol So i would welcome any constructive advice and opinions ---Has this hasppend to you in the past and if so what was the problem many thanks Jay is litts some where i should try ? Quote Link to comment Share on other sites More sharing options...
paulos Posted November 18, 2007 Report Share Posted November 18, 2007 How old is the gun? Probably just needs the springs changing, should be simple enough as miroku parts are easy to get hold of. Quote Link to comment Share on other sites More sharing options...
jayward Posted November 18, 2007 Author Report Share Posted November 18, 2007 Thanks Paulos sorry no idea how old i purchased second hand ... i would appreciate it greatly if anyone would be so kind as to point me in the direction of where i would obtain parts is litts somewhere i should try ? Quote Link to comment Share on other sites More sharing options...
BradleyB Posted November 18, 2007 Report Share Posted November 18, 2007 Not sure on parts. You're a braver man than I taking it apart. Telling the age is pretty simple if you tell us what the serial number is. Quote Link to comment Share on other sites More sharing options...
berettaman1 Posted November 18, 2007 Report Share Posted November 18, 2007 probally pitted nose of the firing pin on bottom barrel (common fault on Browning/Miroku, not normally caused by weak spring (unless gun has done a lot of DTL, easy job to replace pin, but you will have to order part through dealer as importers will not supply direct. Quote Link to comment Share on other sites More sharing options...
paulos Posted November 18, 2007 Report Share Posted November 18, 2007 No problem, any gunshop should be able to get the parts for you, but I would advise gettin them to fit them as well unless you are experienced at it, as it may involve taking other parts out to get at them. I would have though Litts would certainly be able to do it. Hope it helps Quote Link to comment Share on other sites More sharing options...
jayward Posted November 18, 2007 Author Report Share Posted November 18, 2007 probally pitted nose of the firing pin on bottom barrel (common fault on Browning/Miroku, not normally caused by weak spring (unless gun has done a lot of DTL, easy job to replace pin, but you will have to order part through dealer as importers will not supply direct. Just looked at the pin Protruding after firing and your right it has a small pit / cavity in the pin its self is this what you are referring to ? that realy causes a problem ? not questioning you at all but its very small say 10% if the size on the pin and slightly off center so not at the pinikal of the pin !! humm number of the gun is 86088px or there abouts i would be interested to know how old it is !!! its very clean and tidy as for taking to to bits digital cameras help a lot thats something someone showed me pictures at every step assist greatly in rebuilding Over all there not outlandishly complicated , horses for courses tho i suspect ... ive been puling things to bits all my life lol Quote Link to comment Share on other sites More sharing options...
caragh Posted November 18, 2007 Report Share Posted November 18, 2007 Hi From my personal experience with an Miroku MK70 the bottom pin pitted quite badly on the first box of 25 cartridges almost 4 years ago and has never failed to fire yet, thousands more cartridges later still no problems with FTF. More likely to be a worn spring imho. Quote Link to comment Share on other sites More sharing options...
JRDS Posted November 18, 2007 Report Share Posted November 18, 2007 Sounds like the pin may be broken to me, take it to a Gunsmith. Quote Link to comment Share on other sites More sharing options...
Gordon R Posted November 18, 2007 Report Share Posted November 18, 2007 Jay - Litts will cost a bob or two in postage. Stensby's would be cheaper than postage alone. T. Stensby & Co. Ltd., No. 1 Shudehill, Manchester - 0161 834 6589 ACTION WORK We specialise in action work on English guns such as making tumblers, ejector kickers, swivels and other such fiddly bits. Please contact us for a quote. New strikers £25.00 each Mainsprings English (leaf type) £40.00 each Mainsprings Over & Under Actions (coil springs) £30.00 each Complete strip & clean £40.00 (including checking pulls & ejector work & test shooting) If you want cheaper - A gunsmith in Oldham - Ian - cheap and very good. PM me for his number. Quote Link to comment Share on other sites More sharing options...
Floating Chamber Posted November 18, 2007 Report Share Posted November 18, 2007 Berettaman is prob right. Go on to Wisner's website (See link below) http://www.wisnersinc.com/additional_info/Mirokusprings.html and scroll down till you find the pics of the Miroku/Charles Daly guns that have been stripped. This will give you an idea. T.J.Hale (Terry) fits these pins for about £20 or so. Quote Link to comment Share on other sites More sharing options...
jayward Posted November 18, 2007 Author Report Share Posted November 18, 2007 i have the firing pins out and in my hand simple enough the bottom pin was caked in crud and shows signs of rust not heavy just the type of rusty oily crud that could be stopping it seat properly .. i can easily remove the main springs having done this once and successfully reinstalling them so i will purchase some pins and springs on as soon as i can find someone to sell them to me and all will be well thats both bases covered im going to try up some pickys soon as this should show the pins and springs position for assessment and information i thank you all kindly for your opinions plz keep and eye out for my pickys and voice your views all the best Jay will edit to inc pickys in the next 1/2 hour or so Quote Link to comment Share on other sites More sharing options...
malkiserow Posted November 18, 2007 Report Share Posted November 18, 2007 Hi Jayward I've a Miroku much older than your and never missed a beat.....maybe I am lucky. I thought that if you are able to it would be a really intesting post to picture stage by stage your rebuild.... just a thougt cheers MS Quote Link to comment Share on other sites More sharing options...
berettaman1 Posted November 18, 2007 Report Share Posted November 18, 2007 Well done , their aint many shooters who go for it, looking at the photo,s lookes as if the grunge could be exerting too much drag on the pins when firing, you havent replied to my advice on the PM I sent you so that , rules out the hard primer suggestion. keep at it bud bet you crack it in the end. Quote Link to comment Share on other sites More sharing options...
Gordon R Posted November 18, 2007 Report Share Posted November 18, 2007 Jay - pins look okay. Sludge - not so good. Clean them up and put them back. Quote Link to comment Share on other sites More sharing options...
jayward Posted November 18, 2007 Author Report Share Posted November 18, 2007 in a few min i will post a link to a flicker page with many pictures inc lots of detail web page with detailed pickys Quote Link to comment Share on other sites More sharing options...
Gordon R Posted November 18, 2007 Report Share Posted November 18, 2007 Jay - clean the pins and swap them over. Quote Link to comment Share on other sites More sharing options...
jayward Posted November 18, 2007 Author Report Share Posted November 18, 2007 Many thanks for your replies i really appreciate them Gordon R there slightly different one has a rebate for a spring the bottom one lol im thinking its a combination of week main spring and crud on the firing pin and also in the pin seat/chamber combined with all that crud and oil its prob dragging realy badly also berettaman1 has pointed out theres a possibility of hard primers and recessed primers so my plan of action is new springs clean pins try a few boxes of diff shells and see how i go on Again many many thanks Quote Link to comment Share on other sites More sharing options...
jayward Posted November 19, 2007 Author Report Share Posted November 19, 2007 around £40 from litts 2 main springs and a bottom striker inc tiny return spring that looks like its out of a bic pen SO i will get the pipe cleaners and white spirit out and clean the seats as advised by litts apparently all guns are prone to crud in the pin seats and result in the odd misfire litts where very good tbh and did advise i would not need both strikers and in there opinion i prob just needed main springs @ £8 each but i got the pin anyways as it it marked and shows a slight bulge @ the end better to do it now than whilst its in bits ... I most likely could have found the parts for less but for time and convenience ya cant knock Litts Gun repairs anyone :unsure: :unsure: Quote Link to comment Share on other sites More sharing options...
Floating Chamber Posted November 19, 2007 Report Share Posted November 19, 2007 in a few min i will post a link to a flicker page with many pictures inc lots of detailweb page with detailed pickys Wow! So easy for you guys with coil springs! Mine is a 1970's ORE with LEAF springs all round, even in the ejectors! A real PITA!!! FC Quote Link to comment Share on other sites More sharing options...
berettaman1 Posted November 19, 2007 Report Share Posted November 19, 2007 in a few min i will post a link to a flicker page with many pictures inc lots of detailweb page with detailed pickys Wow! So easy for you guys with coil springs! Mine is a 1970's ORE with LEAF springs all round, even in the ejectors! A real PITA!!! FC Yes , but probally the best O/U Miroku ever, certainly the best trigger pulls, I had a mint one, had it teagued choked then sold it! Dohh, Wish I had kept it.!! Quote Link to comment Share on other sites More sharing options...
jayward Posted November 19, 2007 Author Report Share Posted November 19, 2007 in a few min i will post a link to a flicker page with many pictures inc lots of detailweb page with detailed pickys Wow! So easy for you guys with coil springs! Mine is a 1970's ORE with LEAF springs all round, even in the ejectors! A real PITA!!! FC had a look @ the leaf spring type i think i still would have a go my next project will be my other 1/2s Silma supreme thats got a issue that irks me slightly she is fine with it as shes used to it The problem with that one is the Latch travel !!! its quite a way !! , and its got a temperamental ejector that i think is a result of the latch but time will tell i will be stripping that as soon as im confident mine is fixed Quote Link to comment Share on other sites More sharing options...
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