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  #1  
Old 01-07-2009, 01:57 PM
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Remington Nylon 66 problem


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Hi there, I have a new to me Nylon 66 I recently purchased. I was looking for one and found a cherry one at a gun show from a collector from out of town.

I tried it and have a bit of a problem with it. The gun functions flawlessly once it is loaded up. The problem is that in first loading it it tends to try and chamber 2 rounds when first cocked. The first round flies into the chamber fully and a second round ends up getting jammed benid it. This is a tube fed model and I was using a truncated cone style of shell in it. If I try to cycle the action as fast as I can it will work properly but that's kind of rough on the action lever.

Has anyone had this problem and an idea of how to fix it?
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  #2  
Old 01-09-2009, 11:27 PM
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can you post a pic? possible one with the jam?
are you using other than LR rounds
Nylon 66
Description: Autoloading Rifle
Introduction Year: 1959
Year Discontinued: 1989
Total Production: Approximately: 1,050,350
Designer/Inventor: W.E. Leek, C.H. Morse, H.W. Young
Action Type: Autoloader
Caliber/Gauge: .22 long rifle
Serial Number Blocks: Starting: 00001
Ending: 2600000
Grades Offered: Nylon 66
Nylon 66MB
Nylon 66GS
Nylon 66SG
Nylon 66AB
Nylon 66BD
Variations: Nylon 66 - 150th Anniversary Rifle
Nylon 66 – Bicentennial Rifle
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Last edited by monkybrainz; 01-09-2009 at 11:30 PM.
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  #3  
Old 01-11-2009, 02:37 PM
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Along with the Ruger 10/22 your Nylon 66 is one of the most reliable and inovative .22 rimfires of the century. When you get fixed whatever little problem your unit has you are in for a bazzilion rounds of rapid fire fun.
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  #4  
Old 01-12-2009, 01:40 PM
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Sorry to take this long to respond.

Sorry no pix to post. The jam is a simple double feed. The first round out of the tube magazine is zipping right into the chamber as I open the breach to chamber the rounds. It happens with one, two or all 14 rounds loaded in the tube before trying to chamber the round. The second round then gets stuck in the breach opening between the bolt and the breach face / chambered round.

I am using new Federal 36 gr truncated nose long rifle ammunition. This ammo functions flawlessly in the rifle once it has the jam cleared. I have not tried any other brand or bullet design long rifle ammo in the rifle yet. The rifle is chambered only for long rifle shells.

To make the gun fire I either load one round and leave the bolt forward on that round and then load up the rest or I simply clear the jam, losing a now bent round and continue shooting. There is one other way to load and fire the rifle and that is to operate the bolt as fast as I can. Unfortunately that's a bit rough on the finger and bolt lever. I'd rather not start breaking and replacing the operating lever.
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  #5  
Old 02-03-2009, 09:04 PM
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Sounds like the cartridge stop is damaged. When you slowly pull the bolt back on an empty chamber, the first round should shoot up and into the chamber as you describe. If you continue pulling the bolt back to its stop and hold it you should just barely be able to see the nose of the next round protruding from the tube (in a normally functioning gun).

The next round is being held back by the cartridge stop and should not be able to move forward until the bolt cycles and trips it again.

Nylons are easy to breakdown/put together TO A POINT. Once you pass this point it can get hairy in a hurry.

Removing the receiver cover, barrel, bolt, and mainspring aren't too difficult if you are careful and note where and how things come apart. If you can break it down this far you may be able to see where the problem with the cartridge stop lies and tweak it. If the stop is really damaged you might want to locate a good gunsmith that's familiar with the '66 and let him do the work.
It takes major disassembly to remove/replace the stop.

If you want you can PM me your email and I'll send you a copy of the service manual. It has a nice parts breakdown as well as service info.
Good Luck,
Fiream

Last edited by fiream29; 02-04-2009 at 06:48 AM. Reason: It was late and I mislabeled the Cart. Stop a 'guide' in a couple places.
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  #6  
Old 02-03-2009, 09:41 PM
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I'll add to fiream's fine post that from a gunsmiths point of view disassemble past the point he described for a nylon 66 rapidly becomes a nightmare. The nylon 66 is an extremely hard gun to take apart further and assemble. This is a job that really needs to be done by someone really familiar with this particular firearm.
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  #7  
Old 02-11-2009, 06:26 PM
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Quote:
Originally Posted by fiream29 View Post
Sounds like the cartridge stop is damaged. When you slowly pull the bolt back on an empty chamber, the first round should shoot up and into the chamber as you describe. If you continue pulling the bolt back to its stop and hold it you should just barely be able to see the nose of the next round protruding from the tube (in a normally functioning gun).

The next round is being held back by the cartridge stop and should not be able to move forward until the bolt cycles and trips it again.

Nylons are easy to breakdown/put together TO A POINT. Once you pass this point it can get hairy in a hurry.

Removing the receiver cover, barrel, bolt, and mainspring aren't too difficult if you are careful and note where and how things come apart. If you can break it down this far you may be able to see where the problem with the cartridge stop lies and tweak it. If the stop is really damaged you might want to locate a good gunsmith that's familiar with the '66 and let him do the work.
It takes major disassembly to remove/replace the stop.

If you want you can PM me your email and I'll send you a copy of the service manual. It has a nice parts breakdown as well as service info.
Good Luck,
Fiream


PM was sent. Sorry it was so long, we've been traveling visiting grand kids. I'm really reluctant to open it up much after hearing from so many others that it's a bit of a problem design to get into and put back together properly.
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  #8  
Old 02-11-2009, 06:47 PM
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PM'ed back.
Fiream
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  #9  
Old 03-30-2009, 11:24 AM
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Smile

I thought I'd post an after action report on this.

Thanks to Firearm29 I was able to use some digitized instructional material to take the gun down. I didn't go to the bare frame but got pretty darn close. This little gun isn't the most complicated contraption I've worked on and it's really not that bad if you are paying attention. It IS more involved than any Ruger or Marlin is.

I narrowed the problem down to 2 items both related tot he cartridge stop. The first was that the cartridge stop was slightly bent to the side so it reduced the contact point with the rim of the incoming cartridge. The second point was that the spring used to hold that stop in place probably was a bit weak. I rebent the spring, straightened the stop lever and it seems to be doing fine. I also cleaned out about a decades worth of gunk from the inside areas that can't be reached without pulling the guts out of the rifle. The previous owner just sprayed a bit of oil inside and kept on plinking.

If you have one of these little gems I strongly suggest you get a digital copy of the factory maintenance manual for it. The pictures are clear and very helpful. A small pin type tool and a bent large gauge paper clip will make working on it much easier.
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  #10  
Old 10-22-2009, 12:33 AM
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Where can I find replacement parts like the feed tube assb for my nylon 66 rifle as i have tried Numrich arms & Brownells & no luck with 66 parts from these Mfg. any leads on the nylon 66Iparts will be appreciated.
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  #11  
Old 08-22-2010, 10:28 PM
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firing problems

it seems the bolt doesn't blow back far enough to recock for subsequent rounds. also when faced with a dud round, the ejector will not usually eject using the loading lever.
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  #12  
Old 08-23-2010, 07:52 PM
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Quote:
Originally Posted by Pistol35743 View Post
it seems the bolt doesn't blow back far enough to recock for subsequent rounds. also when faced with a dud round, the ejector will not usually eject using the loading lever.
Sounds like it needs a serious cleaning. The bolt face is probably not seating against the barrel and not allowing the extractor to snap over the rim of the duds. Cleaning inside and out should cure both problems.
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  #13  
Old 08-24-2010, 02:36 PM
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The members over at www.nylonrifles.com could most likely source some parts, for those who need them.

.
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  #14  
Old 05-01-2013, 06:15 PM
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Factory Manual

Quote:
Originally Posted by Motor31 View Post


If you have one of these little gems I strongly suggest you get a digital copy of the factory maintenance manual for it. The pictures are clear and very helpful.
I have a nylon 66 and I have the exact same problem with mine, (1st round double feeds). Is there any way I could get a copy of that digital factory maintenance manual?
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  #15  
Old 05-01-2013, 06:32 PM
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hswoop, this an older thread, and Motor31 has not been on for awhile. This info may be of some use ~ Scribd
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  #16  
Old 05-01-2013, 08:29 PM
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Had this problem 3 years ago, drove me crazy. I'm pretty handy, so taking things apart doesn't scare me.

NylonRifles.com • View topic - Problem: Double Feeds


This website ( NylonRifles.com • View topic - Feeding problem ) also helped a lot !

If you're handy enough for disassembly to get the Cartridge Stop out, the fix is some simple file work on what I call the "small tab" of the Cartridge Stop. You want to remove a few thousand'ths of the "small tab" so the lip of the Stop will protrude further into the bullet passageway. Read closely the instructions found at the website above, as you stare at the Stop you'll see how everything works.

Here's an exploded view diagram. Disassembly is simply pushing out the Pin, then the Spring and Cartridge Stop lift right out.
http://www.okiegunsmithshop.com/rem66.jpg
-- Cartridge Stop = part 11
-- the Cartridge Stop is held in-place by a transverse Pin, you use a punch to push the Pin out (part 12).
-- the "could be tricky" part is the Cartridge Stop Spring (part 13). Not so much tricky, but before pushing out the pin, be sure to look at the spring and see how it goes back together in relation to the Pin. Re-assembly is easy, the spring isn't under huge tension that will send it into the next county. It is simply a matter of orientation and a bit of pressure to install, then holding it while the Pin is re-inserted during reassembly.

If you have reasonable mechanical aptitude, disassembly, fix, and reassembly is surprisingly simple.

Cheers,

Carl
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  #17  
Old 05-01-2013, 08:47 PM
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Thank you NewPigHunter and Mainspring! Can't wait to get it back to normal
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  #18  
Old 05-02-2013, 04:50 PM
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hswoop,

yep, the fix is simple !! It looks complex, but it is not at all.

My Nylon 66 has performed 100% since I did "the fixit."

Cheers,

Carl
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  #19  
Old 06-27-2013, 04:04 PM
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Firearm:
I would love to get a copy of the service manual for the Nylon 66. I have had one for 48 years, took it apart once 25 years ago to thoroughly clean, and nearly never got it back together. Never did that again. Probably needs thorough cleaning again, don'tcha think. I gave this little gem to my 12 year old grandson this past Christmas, since I was 12 when I bought it used for $20 and a used 410 single shot Stevens bolt action.
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  #20  
Old 06-27-2013, 07:16 PM
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Quote:
Originally Posted by SuperDave1952 View Post
Firearm:
I would love to get a copy of the service manual for the Nylon 66.
No problem, just PM me your email and I'll send you a copy.
These things don't really need a tremendous amount of cleaning (or lube for that matter) so taking the internals apart is definitely a last resort. I did it one time too and never hope to do it again.
One thing to note also is I've seen more and more of these little gems with cracked and broken stocks. I'm wondering if perhaps the Nylon formulation Remington used is nearing the end of it's useful life.
Fiream
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