Marlin JM

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Go For Broke

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I have read many post and heard much talk about the "JM" stamped Marlin lever action rifles.

But there are few details available on exactly what is wrong with them.

Are they unsafe to fire?

Are the chambers too loose or too tight?

Is the steel really plastic?

If you have actual example of why a JM is no good, please share.

DETAILS PLEASE!
 
Some of the North Haven Marlins have a poorly executed JM stamp. Almost unreadable. I have one of these. Still a fine rifle. As long as its a North Haven produced rifle its more than likely to be great. The Remington produced rifles should be carefully examined orior to purchase for fit and finish and cycling. While not posessing the level of craftmanship, the new Marlins can make decent shooters.
 
I am not sure when the cross bolt safeties came on the scene, but my 1981 JM 1894 doesn't have one.
 
JM stamp is a mark of quality hand fitted guns (up to 2007 anyway). Similar to getting a pre 64 Winchester, or an Ithaca 37 made in Ithaca NY. The newer REP stamped Marlins are made by Remington, ostensibly anyway. Owned by a large soulless investment (cerebus) group:barf:, that has bought out many grand old brands, and churns out mass produced, guns made to certain price points.

In short Non JM stamped marlins may look like, marlins, but they are not true marlins. The way I see it, it's like Toyota bought the Harley Davidson name, and began producing Harleys in it's Tsutsumi plant in Japan. Would you buy one?
 
JM stamp is a mark of quality hand fitted guns (up to 2007 anyway).

In short Non JM stamped marlins may look like, marlins, but they are not true marlins. The way I see it, it's like Toyota bought the Harley Davidson name, and began producing Harleys in it's Tsutsumi plant in Japan. Would you buy one?

Umm...you might want to find a different manufacturer for your analogy. I would ABSOLUTELY buy a Harley made by Toyota; in fact I would prefer it. IMO there is no finer consumer-grade auto manufacturer in the world than TMMC. Your analogy would be more like having the new Marlins made by Holland's or maybe FN.

Try Yugo or maybe Fiat instead of Toyota and I'm right there with you.
 
there is some overlap with the stamping of the guns around the time remington bought marlin. All guns pre-takeover have JM stamped on the left of the barrel, back by the receiver. All guns after the takeover have REP in an oval on the right side of the barrel, back by the receiver. Some barrels that were already made and stamped JM prior to takeover were used in post takeover assembled guns. Those were stamped REP as well. Remington also got the rights to keep stamping northaven Connecticut on the barrels.

So just look for, and probably avoid, the REP guns. They typically have poor metal to metal and wood to metal fit, stripped screws, barrels that have have the front sight at the 1 o'clock position and rear sights at the 11 o'clock position, rough gritty actions, etc. They typically have nice wood though, even it it doesn't fit the gun well.
 
best one i have seen showed up without a tang screw. nothing but tension holding the butt stock on.
Friend got one(youth 30-30) against my concerns i listed, it locked up when he tried to cycle, holes on the receiver(for the scope mount) were not straight, and sights were canted. took over 5 months to get it back from customer service, and he had to fight them to get it that soon.

More recent ones have been better from what i have seen but..... i like deals and would search for a used one. or try a new one, like i have said they have definatly gotten better.
 
This is one subject that keeps coming up and unfortunately inacuracies and half truths abound. What I fear is that if folks keep believing and reposting false information, someday many readers may take it as gospel. A lie often repeated is still a lie. The facts are that any rifle proofmarked with JM was proofed and necessarily therefore entirely built at North Haven. Some of those were produced in North Haven after the buyout. If it was made at North Haven it has a JM proofmark. Some of the 2009 North Haven JM rifles have a poorly executed JM proofmark, almost unreadable, but if there is no REP proofmark on the barrel it is a North Haven produced rifle. REP proofmark on the barrel indicates a rifle that was not made at North Haven. The REP rifles can be good shooters but are currently not being built with as high quality as the older JM. Any North Haven produced and qc passed rifle is noticeably nicer than the REP rifles at least as of Jan. this year. Thank you.
 
I can only guess that the "JM" means John Marlin, the guy who started the company.
Both my Guide gun and 336 .35 Rem are JM guns.
When Freedom Group took over Marlin, I saw this coming a mile away. Slaves to shareholder profits do not know how to craft precision things like firearms...and they sure don't give a big deal about customer service.
 
I believe Marlin's quality started to slip some time before the actual sale. I bought a new Marlin (1894 .44) a couple years prior to the sale, and it's fit and finish were terrible. Also, the magazine tube was so out-of-round the magazine follower would not slip down the tube without serverely binding.

Marlin replaced the tube, but it was hard to fix the sloppy inletting (they stuffed putty in all the inletting gaps to conceal them). The rifle does not reside with me any more. I really kicked myself hard for not looking the rifle over more carefully before purchasing it. Lesson learned.
 
Go For Broke said:
Are they unsafe to fire?

Are the chambers too loose or too tight?

Is the steel really plastic?

If you have actual example of why a JM is no good, please share.

DETAILS PLEASE!

As all have said, it isnt the "JM stamped" rifles that have received such bad press, but then, even the JM's had problems. I have a 1977 Marlin 336 with the barrel twisted halfway around too much or too little. OK... that's an exaggeration, but an aftermarket sight almost runs out of adjustment due to that error. I have a 1979 1894 that has a couple of flaws too.

I was all set to call BS on some of the claims made by people about the new "REP" and "MR serial" Marlins, made by Remington. Not having access to shops where there are racks of Marlins on display and that you can inspect and verify this "shoddy workmanship", I have to rely on other experience. I was out at the range a couple of three years ago shooting a few stations down from a Marlin lever. We were the only two out there. I went over to talk and lo and behold, he's got a Remlin! I examined it, turned it over and upside down, and fired 4 rounds from it. I could not find a single problem that I can remember. Not one. Even the trigger was good! Was it beautiful and improved over JM stamped rifles? Nope. But it was just fine. So here I was, based on that one experience, ready to call "BS!".

But then.... but then!! .... (and again at the range) I had the experience of helping an older fellow out in (scope) sighting his new Marlin (Remlin) in. I could tell he was not a gun and shooting afficianado, but here he had this nice, new levergun. So I helped him get it sighted in. In doing so, without letting him know, I made some observations:
- there was considerable slop in the fit of the action (tang) at the stock wrist, both top AND bottom;
- the rifle was scoped and was being sighted in, so I couldn;t tell if the sight alignment was off or not, but there was a noticeable scratch in the front sight hood. Now the guy said it came that way, and I believe him, but it's possible he nicked it. Who knows...;
- the fit between the forearm and action was uneven between the two sides!! On one side, it was acceptably fit - on the other, there was a gap I would have been unhappy with. Maybe.... just maybe... if both side were to fit the same... maybe it could be acceptable. But not a catewompus fit between the two. How could that be???;
- the action was fine. Stiff yes but gritty no. It would work itself in.
- the engraving was fine;
- the muddy, milky finish on the walnut was just as muddy and milky as it has been on ALL Marlins since they started using their MarShield finish. They hold up real well - it's a good finish, I believe - but if you want your Marlin to look its Sunday best, you've got to refinish it yourself.

I didn;t say anything to the man about his rifle that wasn't complimentary. He liked the rifle - of course. The truth is, it was close to being acceptable to me, but just not quite so. This one should have been referred back into the shop by Quality Control folks, but it escaped.

- I do NOT believe they are unsafe to fire. The Marlin action is strong and I didn;t see a problem with either one I fired.
- Who knows about the fit in chamber? Maybe a reloader/owner of a Remlin would know better.
- The steel is steel. It is not plastic.

I really do not believe it is the making (the construction) of the firearm that's the problem. Remington's probably building some pretty fine Marlins (that sounds weird). Rather, I think it's Quality Control. Any maker has crap filtering through the assembly line and punch-list shop, but who's job is that to catch and correct?

I would buy a new Marlin if I could inspect it first. I don;t believe I would order one unseen on a "no refund" type sale (if those exist). I don;t doubt that Remlin would fix it up if it needed it, but the time and hassle required to do it isn;t for me.

ON EDIT: Ok, just to add a little more: I think there's room for some variety in any rifle of the same model. I mean, if your new Marlin is perfect, but mine has a little variance in fit at this place or that, and still another guy's has a little too much twist-on the barrel, then so what? That's character. I build furniture (not for a living) and have built identical pieces for different people. I don;t want them going and comparing and saying "Hey! His hinge type is different than mine!" or "Hers has more desireable figure in the front panels!". These are one-off pieces. The second one built is also a one-off piece. There is a lot to be desired for that.

Who knows? It's possible that in twenty or thirty years, guys will be harkening to the old days of MRXXXXXXX serial numbered Marlins, with the new crop being called "junk". Anyway, Marlin is bound to bring this rifle back around. I refuse to believe, flatly refuse any notion, that Remington bought Marlin with ill-intent. No way - they bought it as a possession to make money. Buying and selling companies has been a staple in America since God knows when, and it's usually turned out well.

And.... unless our current crop of communists get their way, Marlin will be making fine rifles for many years to come, regardless who actually "owns" them (as long as it isn;t the commies).
 
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Not all Remlins have gremlins and not all JMs are without.

I've got a couple 1894 rifles in 357, one a Remlin, the other a JM, they are both excellent guns but overall the Remlin was better out of the box.

Inspection is key; canted sights, bad stock fit, excessive burs etc are things you can eyeball. Dry running the action tells little about how it'll feed in the field from what I've experienced.

For me, any Marlin lever rifles made in 2009 are the ones to really look over, 91 serial numbers.
 
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