Arkansas Boy Posted April 3, 2009 Report Share Posted April 3, 2009 about 2 months ago, we took in our Remington 742 semi auto because it won't extract the shell after a shot. It is a very common problem with this gun. Well the guy was confident he could fix it. Looked over it, ordered a new extractor, did the polishing, put it in and it's fixed......sort of. Seems the barrel is pitted (often the case) and the shell is expanding into these pits when it is shot and the extractore isn't going to pull it out. So it happens less now, but is still not fixed. I have heard if you put gun oil in the barrel, it will fill the voids left by the pitting, but i don't know. Most people say just leave it in the safe and carry one of your other rifles, but that rifle is my fav. one in the world. I love it to death and want it to be fixed. The guy that did the work said he could order another barrel but because there are no new barrels for them, he could not gurantee any of them. Any advice? Quote Link to comment Share on other sites More sharing options...
Tink Posted April 4, 2009 Report Share Posted April 4, 2009 My son Jeff Has A tack driving Remington 742 like yours in 270 Mad einthe 1960s. Deadly accurate 4000 shots thru bbl The groups spread out Took it to a gunsmith said the receiver was cracked he returned it to Remington who put a new new bbl and send it back for the UPS COD Charges That's why I love Remington SEND IT BACK UNLOADED TINK Quote Link to comment Share on other sites More sharing options...
mailmanmark Posted April 4, 2009 Report Share Posted April 4, 2009 Arkansas boy I had the same problem with my 742 Woodsmaster. Luckily I only live 10 miles from the Remington factory. Come to find out, the problem was that the headspace was at it's maximum limits. What they did for me was that they pro-rated it and allowed me that amount towards a new gun. Hope this helps some. Good luck. Quote Link to comment Share on other sites More sharing options...
Strut10 Posted April 6, 2009 Report Share Posted April 6, 2009 How did the chamber get that pitted??? Is the casing's brass actually flowing into the pits when fired?? Usually you only find something like that in old blackpowder cartridge rifles. Quote Link to comment Share on other sites More sharing options...
uncle john Posted April 6, 2009 Report Share Posted April 6, 2009 I would advise keeping the chamber free of oil. I have read accounts of this causing case failures. It is possible that the chamber has crud built up in it instead of pits. A pitted chamber will allow brass to flow into the pits, and this is evident on a fired case, as the 'bumps' will shave off bright spots when the case is extracted. A dirty chamber will cause extraction problems also, and a chamber cleaning brush will usually solve that problem. Quote Link to comment Share on other sites More sharing options...
Arkansas Boy Posted April 20, 2009 Author Report Share Posted April 20, 2009 How did the chamber get that pitted??? Is the casing's brass actually flowing into the pits when fired?? Usually you only find something like that in old blackpowder cartridge rifles. that's exactly what happens. very common problem with the 742 Quote Link to comment Share on other sites More sharing options...
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