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Marlin 336 Jamming |
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Terry Lamb
Optics Apprentice Joined: January/19/2009 Location: Sagle, Idaho Status: Offline Points: 150 |
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Posted: December/09/2009 at 11:30 |
I have a 4-yr-old Marlin 336 in 30-30. With maddening unpredictability, the lever will jam solidly in the full-open position. Evidently the carrier picks up one cartridge, but then a second cartridge is pushed below the carrier, totally jamming everything up.
I found online that this is a sort of legendary problem with some 336s, due to some wear caused by the lever cam. Mine seems to have no evidence of such wear, yet the problem occurs. It began this fall, never having exhibited the behavior prior.
Has anyone any comments or experience?
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Terry Lamb
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rjtfroggy
Optics Journeyman Joined: August/24/2009 Location: WTBY. CT. Status: Offline Points: 381 |
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Magazine return spring worn or broke. Looks like a trip to gun smith or ship it back to marlin.
Edited by rjtfroggy - December/09/2009 at 16:23 |
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froggy
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Terry Lamb
Optics Apprentice Joined: January/19/2009 Location: Sagle, Idaho Status: Offline Points: 150 |
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I pulled the spring and follower and they are in good order. In fact, had it been the spring, it might tend not to feed a cartridge at all, much less loading in two at a time. Thanks for the idea though, I am working though everything I can.
The problem is, it only malfunctions occasionally. I can cycle through fifty without a hitch, and then bam, it loads in that second jammer. No pattern to it.
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Terry Lamb
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cyborg
Optics God Gaseous Clay Joined: August/24/2007 Location: North Georgia Status: Offline Points: 12288 |
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I would suspect that it is a retainer problem of some sort. What means are the rounds held in the magazine? I don't recall off hand. Is it a button, lever, or some other means? Either way, it sounds like that is where to look. |
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With Freedom comes great responsibility, you cannot have one without the other
An armed public are citizens. A disarmed public are subjects. OATH KEEPER #8233 Support us, and join our cause. Cyborg |
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Terry Lamb
Optics Apprentice Joined: January/19/2009 Location: Sagle, Idaho Status: Offline Points: 150 |
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Sure sounds like it Cy. Without more disassembly, it appears that it is actually a nub on the lever that keeps the magazine cartridges back in the magazine, but I am going to have to get inside there to see. The lever comes off easily, but it is harder to see how the carrier functions in there.
I really hoped someone with your experience could waive a marlin wand and just cure it.
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Terry Lamb
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rjtfroggy
Optics Journeyman Joined: August/24/2009 Location: WTBY. CT. Status: Offline Points: 381 |
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Terry is all one kind of brass or is it different brands. It could be the diameter of one is a hair smaller and it is slipping past the retainer spring.
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froggy
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Terry Lamb
Optics Apprentice Joined: January/19/2009 Location: Sagle, Idaho Status: Offline Points: 150 |
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It is all Hornady Leverevolution factory loaded brass, so I have discounted brass variations, which is not to say there can't be variations within brand of course. Thanks froggy.
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Terry Lamb
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Ed Connelly
Optics Retard God of no Chihuahua Joined: December/16/2007 Location: USA Status: Offline Points: 24225 |
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Trade it in for a 50 year old Marlin...........
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13680 |
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I have seen a few of these. one was the ejector that just sits beside the bolt and recever in the none ported side. it wouldn't flip the case out and would lock the bolt back. Have you taken it completely apart? If you want to I can talk you thru it. the 336 is not as complicated as you would think.
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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pyro6999
Optics Retard OT TITAN Joined: December/22/2006 Location: North Dakota Status: Offline Points: 22034 |
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my dads old 336c did that too and that was the problem with his it isnt to bad to fix. |
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They call me "Boots"
375H&H Mag: Yeah, it kills stuff "extra dead" 343 we will never forget God Bless Chris Ledoux "good ride cowboy" |
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Terry Lamb
Optics Apprentice Joined: January/19/2009 Location: Sagle, Idaho Status: Offline Points: 150 |
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Cyborg I think has his crosshairs on the location of the problem, that is, whatever is supposed to retain a cartridge in the magazine, occasionally does not retain it when the carrier lifts. I am hoping to have time today to dissassemble further.
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Terry Lamb
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Bigdaddy0381
MODERATOR Georgia peach Joined: February/27/2007 Location: Georgia Status: Offline Points: 13680 |
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Okay let us know what you find then.
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P&Z Firearms , Pro gun cleanings and gun repair and wood refinishing.
Ecclesiastes 10:2 |
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Terry Lamb
Optics Apprentice Joined: January/19/2009 Location: Sagle, Idaho Status: Offline Points: 150 |
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Well, I managed to get a look at the internals, and the magazine feed stop is accomplished soley by the carrier when the carrier is in the "up", or chamber feed, position. Looking at it, the stop lug covers fully half of the cartridge case base seemingly making it impossible for a round to feed in from the magazine below the carrier itself. And yet it has done so. Nothing appears worn, and I cannot now duplicate the misfeed, no matter how many rounds I cycle. I did give everything a complete cleaning in the process, but I continue to be as baffled as ever as to the cause, which happened twice during the season in the field.
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Terry Lamb
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cyborg
Optics God Gaseous Clay Joined: August/24/2007 Location: North Georgia Status: Offline Points: 12288 |
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Are you using ballistic tipped rounds? I know the one I had hated anything that wasn't flat nosed, or round nosed. It could be that it is feeding two at the same time when you charge it too fast.
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With Freedom comes great responsibility, you cannot have one without the other
An armed public are citizens. A disarmed public are subjects. OATH KEEPER #8233 Support us, and join our cause. Cyborg |
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Terry Lamb
Optics Apprentice Joined: January/19/2009 Location: Sagle, Idaho Status: Offline Points: 150 |
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Thinking about it, many of the cartridges exhibited bent tips after being cycled and fed over and over during the course of the season by my grandson. I'll try experimenting with dog-legged tips to see if I can induce the malfunction.
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Terry Lamb
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cyborg
Optics God Gaseous Clay Joined: August/24/2007 Location: North Georgia Status: Offline Points: 12288 |
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Keep us up to speed there. This seems a perplexing issue, hopefully one we all can learn a little something from.
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With Freedom comes great responsibility, you cannot have one without the other
An armed public are citizens. A disarmed public are subjects. OATH KEEPER #8233 Support us, and join our cause. Cyborg |
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