I thought i had this baby fixed but now I have a new problem.
The last 5 rounds of the tube don't feed. I though maybe just a weak magazine spring, but it seems strong enough right up to full extension.
What I found was that the spring may not be strong enough to overcome this:
In the box at the end of the magazine tube, ,past the rim 'gate' toward the chamber, the rounds are getting squeezed between the sides of the box when it should be feeding up. So for instance when the cartridge is nosed up against the feed ramp, the sides of the feed ramp area are pinching the round slightly. It's like the lips of the box are tipped in just a little bit. The spring is strong enough to push the round through the pinch for the first ten rounds, but the last five don't have enough spring to muscle through.
My question is: Do I just have a weak spring and that area supposed to pinch the brass a little bit to keep rounds from just rolling out, or are the rounds supposed to be able to just slide right out of that area freely? If I just file those pinch points with a couple of passes with a fine file, the brass will go right through, it's just a tiny little pinch.
In the first picture, if I turn the rifle upside down, that brass will not fall out. The arrows indicate the pinch points. In the second and third pics, there's a groove right by the pinch points where I assume the rims are squeezing through. I thought about touching it with a file to make the rim and brass go through freely, just didn't know if it was supposed to do that and the spring just needs to be stronger/replaced.