Rem 700 failing to feed

[David Hoback]

Try this: Remove all the internal mag parts… spring, follower & mag box look at the mag box and see if it has rub marks. If you look at the box, it has a taper. What needs done is to remove some of the taper. It’s difficult without jigs & a press, but doable. What’s needs done is some of each of the bends need taken out. I magazine the tapered box looking more rectangle.

This is one of the things which has been found over the years to cause this issue. Also, even though you installed a new spring, it may still need “tweaked”. The spring should look like a perfect “W”.

 

[4v50 Gary]

It's not the spring.

Rather, it's the feed lips. It's releasing the cartridge too soon, thus the porpoising. The front of the lips aren't holding the cartridge down long enough and because of that, it porpoise ups. Lips need to be bent down just a tad.

I recommend getting another magazine. Compare the two (measure the distance between the lips, their angle (bevel gauge like what the woodworkers use) and see if they both fail to feed. See if they are identical. If so, then start working on only one if them. I'd cut a wood form to jam into the mag and sand it on a disc sander to conform with the magazine. Then I'd remove some wood at a taper to increase the angle. Insert it and tap, tap, tap. The reinsert it and test with dummy ammunition.

BTW, I had the same problem with a Henry AR-7. Cartridge nose raised up too fast and jammed. After I made a new spring (not the follower spring but the spring that held the cartridge down), it worked.