Ithaca model 37 help please

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Remmy700

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So I bought a Ithaca model 37 feather light and thought I got a pretty good deal and have figured out why :(

It has a feeding problem, load the tube up and the first shell cycles fine but when you cycle the action for the second shell it ejects the spent shell but the second shell remains in the tube.

Take it apart and everything seems fine so tried again with the same results, cycles the first shell no problem but cycle the action and the spent shell is ejected but the second shell isn't picked up into the pipe, just remains in the tube.

I'm sure it's a minor thing but can't figure it out so I thought maybe there's some 37 enthusiast that could help me sort this issue out
 
Maybe the mag spring is weak or the follower is getting hung up a bit?
Is everything clean and lightly lubed?
 
Can-down said:
Maybe the mag spring is weak or the follower is getting hung up a bit?
Is everything clean and lightly lubed?
Click to expand...

The first thing I do to every firearm I buy is a full tear down and clean so yes it's clean and lubed.

Cycles first shell no problem, then pull the action back and spent shell ejects but the next stays in the tube, fillies spring seems like its still pretty sprung as in no reason it shouldn't push the second shell out.
 
Did you remove the cartridge stops and make sure they are clean. Take both right out if not and clean behind them. Check for a burr on the ends that contact the case head. NOTE: one of the stops requires a spring make sure it is there. Sounds like a burr to me. Is the second shell retained with the stop or just gravity?

Darryl.
 
There are two cartridge stops. With the gun upside down, muzzle to the front: smaller left side one is L shaped and is activated by the forward motion of the bolt. The RH one is wider, activated by the rearward motion of the bolt. Cycle the gun and watch to see which one isn't working. The RH one is spring loaded. If you press it in, it should spring back. The left one is operated by the bolt alone, iirc, but I didn't take my gun apart to check.
 
9.3mauser said:
There are two cartridge stops. With the gun upside down, muzzle to the front: smaller left side one is L shaped and is activated by the forward motion of the bolt. The RH one is wider, activated by the rearward motion of the bolt. Cycle the gun and watch to see which one isn't working. The RH one is spring loaded. If you press it in, it should spring back. The left one is operated by the bolt alone, iirc, but I didn't take my gun apart to check.
Click to expand...

^Solid advice right here. The RH one is spring loaded and pivots on a single shell stop screw. Ensure it has not become unseated as well with a broken off shell stop screw still partly holding on. Sticks up too high on one side.
One other possibility too. Is the serial number 1974 vintage?
Ithaca redesigned the shell stop within that short time frame to make the shotgun technically more reliable (and Really to eliminate another machining step)
This effort was not too well put into practice, led to a big recall and subsequent factory repair expense.
They quickly dropped this modification.
 
Both cartridge stops seem to be working as they should be, right on back stroke and left on forward stroke. The screws seem to be in good order and the serial number puts it manufacture date at 1970
 
madtrapper143 said:
Has to be a mag tube or follower issue. Possibly dent or out of round near where a first loaded followed by a second cartridge would sit in the tube.

Darryl
Click to expand...

That's the weird part is the second shell is right at the end of the tube, as in the bottom of the brass is flush with the end of the tube. It has to be something with the cartridge stop.
 
With two shells in the mag the spring is under greater resistance. This MAY enable the first out to override a slightly out of adjustment shell stop. With one shell left it may not have the spring force to override the shell stop. I would again check for burrs and stretch the mag spring a bit or replace with a newer one and see if that helps. Float one cartridge in the tube with no spring or follower and then with the follower only to see if there is any inner tube issues at the exit point. The right hand stop (from the top) may need a slight bend.

Darryl
 
madtrapper143 said:
With two shells in the mag the spring is under greater resistance. This MAY enable the first out to override a slightly out of adjustment shell stop. With one shell left it may not have the spring force to override the shell stop. I would again check for burrs and stretch the mag spring a bit or replace with a newer one and see if that helps. Float one cartridge in the tube with no spring or follower and then with the follower only to see if there is any inner tube issues at the exit point. The right hand stop (from the top) may need a slight bend.

Darryl
Click to expand...

if 3 or 4 are loaded does it feed untio the last one or stops feeding after one and the rest not feeding
 
I'd start by putting a new mag spring in it. At least it will eliminate that angle. Probably needs a new one at this point anyway.
 
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