Went to a gunshow in Conroe,Tx. and found a nice little carbine. Never shot one before but know a little about their history. I ended up trading it for a pistol that had a trigger problem. When I went to shoot the carbine for the first time it jammed every single time with the wolf ammo, but not so much with some reloads I bought at the show.
To fix the problem I tried to lube it since it was bone dry. It still seemed to eject properly but not load the next round, like it was short ejecting. After a while it jammed once every 15 rounds with the reloads but every time with the wolf crap. I found out that by holding the mag back against the well it fed OK. Is there anything I could do to make it work the way it supposed to? I was thinking about getting a new recoil spring, new mags, and cleaning out the gas port.
Tell me your thoughts on the Iver Johnsons and what I could do to fix mine. Thanks.
gg, yes, try cleaning gas port system. I'm not to familar with M1 Carbines but describe with more detail the jamming process.
The gas system maybe a system that has to remain unlubed like the M1 Garands.
use a magnifing glass to check the mag lock. It may be worn down.
How much blood did you have to give for it?
FMJ fellow Texan
I traded a CZ P-01 for it. He had it listed for $345. The slide will not load the next round so I have to rack the slide after every shot. I had less trouble after lubing it up but still does not load the next round with the wolf ammo. I believe the way the mag is seated is what causes the slide not to load the next round. It also fails to push the round all the way into the barrel when it does catch the rear of the casing. The rear of the casing will some how get caught under the bolt so I have to pull the slide back just a bit for the round to jump back into the seat of the bolt and ram into battery. Hope I did not confuse you but those are the main problems with the carbine. This gun will work but it will need some replacement parts in order for it to shoot right.
Something else I found today was that the rifling in the barrel seems to be very thin. The lands and grooves don't look deep at all yet the barrel itself seems to be fairly new. I will provide pics. Took it to a gun shop today and the folks there have never seen a double feed ramp before, is this normal? They're used to seeing just one wide feed ramp.
Last edited by gg1519; 11-27-2006 at 07:46 PM.
Reason: Automerged Doublepost
That is the way they made their receivers...If I were you, I'd start by cleaning the gas port. Second, I'd make sure the piston nut is fully seated. Third, replace the recoil spring and fourth, replace the mag catch. A worn mag catch can cause those feeding problems too.
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Just because you're paranoid doesn't mean that they aren't out to get you!
Trial and error. If you know how and have the tools clean the bolt. The extractor accumlates dirt real fast. Might even be broken. If you know how, remove the recoil spring and measure it. While its out clean it as well. Now for the hard part. Carefully examine the feed lips of your magazine. Rub your fingers across the lips looking for burrs or bent metal. If you have a good mag, compair them together. Still doing it. Find a neighbor with a Carbine and borrow his mags. Back to the receiver. Feel for burrs on any sliding surface. If everything else fails, get Old Yeller out and find a gunsmith. Its not the first time he's heard this complaint. IJ's were about two notches below a GI Carbine. Made well but not as hard as a GI gun so it will only last about 20,000 rounds.
use to have same problem, couple of rounds the rifle is good, but after a time it cause some jamming, some works was done on the gas port, recoil spring was replace and bought a new 15 round, rifle is great after firing some 100 rounds, somebody told me that problem is on the bolt, can this also affect the feeding problem?
Sorry, what i meant was 15 rounder magazine, may i also ask if the widened barrel can cause feeding problem, since this rifle is gas operated, can looseness of compression can affect the feeding of the rounds, could you enlighten me on this, thanks
Last edited by dockie; 12-10-2006 at 01:12 AM.
Reason: Automerged Doublepost
Generally speaking, the bolt is almost never the cause of feeding problems. Extraction and ejection, yes, but not feeding. Extraction and ejection problems are often related to broken extractors or broken extractor or ejector springs. Feeding problems are normally related to bad mags, plugged gas ports, weak or overly strong recoil springs, worn mag catches or rarely improper indexing of the barrel causing the slide to bind. Mags may also have weak springs which can cause failure to feed, rather than jamming and misfeeding.
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Just because you're paranoid doesn't mean that they aren't out to get you!
Sir jimb2, how about the inside of the barrel, i've heard that if the innerside of the barrel is already to wide or worn-out for the casing of the rounds it can also affect the feeding and extraction of the shells, can this also mean that the rifle is near its end, knowing that the life of the rifle is in its barrel?
And I really like to take this opportunity to thank you guys for answering all my questions, i really appreciate it
I've never seen a carbine that was that badly worn. Since the cartridge is fairly low pressure compared to other rifles, chamber and throat problems are very rare. While the rifling can be worn out, that is usually associated with full automatic fire. The chamber can be associated with extraction problems if it is rusted or rough, but a simple polishing will usually cure that. I know of no chamber wear problem that would result in improper feeding. The only other feeding problem that I can think of is from a rough feed ramp, where the bullet slide up into the chamber from the magazine. That can be fixed by polishing the feed ramp.
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Just because you're paranoid doesn't mean that they aren't out to get you!
I have had carbines with that problem and found that, quite often, they have an alignment problem between the barrel and receiver. If there is a mismatch or wear in the threads the barrel can turn just enough after a round or two, to cause the jam. It doesn't take much.
If a barrel is out of alignment, you usually notice the front sight cast to one side or the other. And the slide usually binds as well. Those are the classic symptoms of a mis aligned barrel.
__________________
Just because you're paranoid doesn't mean that they aren't out to get you!
The slide binding is the cause of the jam. I have one that had only .004" space between the barrel and the receiver. The turn was very subtle - but it did jam after 2 or 3 rounds. This is an original WWII configuration that had not been to the arsenal after the war. This may not be applicable to the case being discussed here.
I had a very similar problem with the stove pipes. However, my slide broke. I was told by a friend of a gentlemen that worked for IJ that in some IJ's the slide was not heat treated properly. thus, it would bend and bind (the binding i'm told caused the sp's). thus mine broke. I also had a problem with the gas piston nut coming loose. I'm in the process of getting a new GI slide and new springs all the way around. the barrel is beautiful and I love the carbine. It sucked 'cuz I only got maybe 80 rounds out of it before it busted.
