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Snapping Twig
05-19-2011, 10:25 PM
Had an issue with my new-to-me 1894 .44 mag. I had no issues with my magnums, but when I bought some Starline .44Spl brass, apparently the rim dimensions were slightly different than my WW magnum brass.

When I threw the lever forward with a full magazine of Spl loads, the lever would jam forward, locked.

This wasn't the "Marlin jam", but it was a big issue none the less.

I posted about this at MO and one of the former Marlin employees, Tomray, told me how to fix it. When the carrier wears a bit, small differences in rim dimension can cause this problem. The cure, raise the front of the carrier a hair, @ .010 ~ .015.

So, I hollow ground a Craftsman screwdriver I had doubles of and it fit the action screws perfectly. Then I disassembled the action taking care to observe how everything fit and worked. Amazingly simple action, truth be told.

After cleaning the carrier off of all the accumulated grime from the last 33 years of its life, I put it in my vise and carefully bent it with a brass hammer. I had previously laid the clean carrier on a sheet of paper and traced it, so when I checked it against the trace, it was ever so slightly reshaped. I called it good and put the rifle back together.

I loaded up the magazine with 10 rounds and they cycled perfectly. Two more reloads and cycles confirmed it. Fixed.

The net is an amazing place, so many people helping each other.

From this site I bought two NOE moulds for 45-70 and they shoot true. Wonderful result!

So, that's my story and I'm sticking to it.

Jbar4Ranch
05-20-2011, 12:31 PM
This wasn't the "Marlin jam", but it was a big issue none the less.
Ummm... that's exactly what the "Marlin Jam" is; the next round wholly or partially enters the action and blocks the carrier from rising, and bending the nose of the carrier up slightly is the "no weld" cure for it.

Snapping Twig
05-20-2011, 03:34 PM
To be specific, when I posed this on MO, they clearly thought it wasn't, but it is similar in effect.

The round never left the mag tube, but the carrier jammed under the rim just the same.

The smaller rim of my Starline brass allowed the case to ever so slightly go off center and was no longer flush with the face of the mag tube.

AFAIK, to be a true Marlin Jam, a second round needs to exit the tube.

I see your point however as they are identical in effect if not cause.

Jbar4Ranch
05-21-2011, 11:55 PM
I just went through this with an 1894 CBC .38 spl... AND it was just "factory rebuilt" by Remington. I ended up adding a fair amount of weld on top of the ramp to eliminate the jamming problem.

http://www.marlinowners.com/forums/index.php/topic,70366.0.html

gew98
05-22-2011, 11:39 AM
My 94 marlin in 357 mag got a dose of the marlin jam bad a year ago. I took it to a local smithy whom welded the notch in the carrier but failed to heat and bend the carrier nose upward. And this after I emailed him two links to detailed fixing of same. So I heated and bent approx .012" and a little cycling by hand for a bit and it's worked fine ever since.

Snapping Twig
05-22-2011, 02:01 PM
I just went through this with an 1894 CBC .38 spl... AND it was just "factory rebuilt" by Remington. I ended up adding a fair amount of weld on top of the ramp to eliminate the jamming problem.

http://www.marlinowners.com/forums/index.php/topic,70366.0.html

I followed your post with great interest. Glad you were able to get satisfaction.

Here's my original post.

http://www.marlinowners.com/forums/index.php/topic,89150.0.html

Here's where I found the answer.

http://www.marlinowners.com/forums/index.php/topic,90497.0.html

izzyjoe
05-22-2011, 08:55 PM
well, i bought a 357 marlin a month ago, and it doe's fine with 38 and 357 cases with any boolit, but when i load up some wad cutters it jambed up. :( so i singled loaded them and shot them all up. it doe's fine with everything else. so mine won't them. live and learn. :Fire: