Not sure what your question is. I don't have a XL750. When I mounted my 650 and 550 to the bench, I just mounted them on the Strong Mounts and then moved them towards the edge of the bench. Clamped them with a C-clamp or quick-clamp to check functionality. You don't want the press handle...
Maybe the OPs first post should have been "help, my SLR won't fuction." Then someone here could have suggested he try the "Plug" in the "gas-passing" mode. Tilting block, no gas rings. :toothless
All you need to know about kerosene heaters and oil lamps are in FAQs at this website. I buy wicks from him about once a season.:thumbsup:
http://www.milesstair.com/
Check to make sure the magazine is fully seated in the receiver. If it looks OK then try gently (less is more) bending the feed lips on the left side a little at a time until the bullet's nose clears the feed ramp edge. If you go to far, all of your rounds may fly out of the top. Maybe find...
Do they still offer free admission and jump to the head of the line if you join the NRA that day? Might have some "converts" to send their way.
Noticed in the original post that this is still true. Is that current?