Ammo getting stuck in oem and Sgm magazine, suspect prob is ammo choice?

[Indiana_Travis 0]

[Indiana_Travis 0]

This happens with all my magazines.  One 12rd Sgm, 2x 5rd factory, and 1 of ea of the 8rd and 10rd oem factory mags.  

I have only one type of ammo, 3in Winchester slug.  

The ammo always gets stuck right at the same spot where the ramp inward begins.
 

 As you can see in the pictures.  So I did try some light sanding on the Sgm but that didn’t help.  

I’m guessing this is a fluke just because of the ammo choice.  I have no idea.  

I’m half tempted to send it into dissident arms to have them work on it. Or maybe sell it because it’s more useless than a pump shotgun right now. 

[Lone Star Arms 2,049]

If it’s always getting stuck in the same place, the problem is likely your magazines, and maybe a combination of a particular ammo type with the particular magazine you’re using. An easy way to check would be to try some Winchester 2 3/4” AA birdshot (which tends to feed and run well in these guns) 1350 FPS or faster, and see how that feeds.

I do see that the ammo you currently have loaded has a pronounced bulge at the crimp. Not usually a problem for a breach loader, but definitely will hang on barrel extensions, and get caught on the edge of the extractor notch at the entrance to the barrel on a Vepr 12 or Saiga 12. 

Contrary to conventional wisdom, while these guns will run a variety of ammo, they won’t run ‘everything’, and 2 3/4 tends to run more consistently than a steady diet of high powered 3”. Best advice at this point is to experiment and find some slugs it does like. Look for smooth even hulls, with nearly no discernible bulge at the crimp, and enough FPS to run the action.

My contact phone number is now (505) 263-8822. We’re not using the 800 line anymore.