I really appreciate the help it turns out that after I finally got everything set up and went to start reloading I only got about 50 rounds in and I had to stop by couldn't handle the pain. I will just have to wait until surgeries are done again.

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Hi ya'll, I was wondering if anyone is near Gilbert AZ that might be interested in mentoring me on reloading some 10mm. I only have about 15-20k reloading rounds under my belt using a dillion 650 with other rounds but due to some health issues I feel like I rushing my normal methodical process.

Thank you,
Chris Lewis

I really appreciate everyone's input and I can tell there are some very knowledgeable people in this group to help. I had one more question about powder, would the 700x be an acceptable powder?

Great points! I did find followers on the Wilson combat site to convert the mags from 45 to 10mm and a new 40 cal Dan Wesson barrel is only 100 bucks. But I wonder if I would need to have it refitted to the weapon?

Hello and thank you for letting me joining this group!
    I recently acquired a new Dan Wesson Silverback 10mm. This is my first encounter with 10mm and my knowledge is limited regarding this round. To be honest i was always a .45 person but I have to admit I think 10mm will be a fantastic choice for me and I am very excited! I am not new to reloading (dillion 650xl) about 20k in various round types. Please be kind as i have done some research regarding shooting 40 cal from this weapon (saying it was safe). However, the headspace issue seems to worry me some.
   This weapon would be used primarily for target but would like to get into 3 gun competitions at some time. I do not need to run these rounds at its full potential so this is why I am considering using 40 cal cases and adjust the overall length to compensate for the difference. i currently dont shoot my other 40 very often but have around 6K cases for reloading.
   I tried researching any stickys regarding this topic but I didnt find much luck.

So my questions are:
   1. can I use 40 cal cases with in any type of variation (adjusting powder and OAL)?
   2. I would be using 800x powder
   3. I fully understand that using 10mm cases is the best option, just curios as 10mm cases are difficult for me to acquire at the moment.
   4. Oh yeah does anyone make separate magazine followers to convert 45 magazines to 10mm?

I value everyones input and figure there are experts here but please be patient with me.