Go with the info from Hornady. There are 5 or 6 other powders in my manual for the 175.

The powder is not in my Sierra manual. You might check with the powder company.

If you are going with a handgun,. I highly reccomend a Glock. Ugly as hell, but never jam or fail to fire!

I was armed and no, he parked where I could not see his plates. My truck was in the way and it was very dark. Andi was the deterent. He could have been targeting me as the old fart. He did not stop anywhere else on my block. I watched him leave. I have cameras facing the street but I think he knew where they are. He sure understood about me saying to not trust the dog.  BTW, it was a white guy speaking Creole, unusual! 

I was just about to open the gate at 0530 to walk my dog when a guy stops his pick up in front of my house. I don't know or have ever seen this person. He claims to be the neighborhood watch. He starts by talking to me in Creole. I told him not to trust the dog. That worried him and he left. There is no neighborhood watch. With him trying to speak Creole, I suspect he was the feds.

The Mossberg is a good choice. The problem I run into is manuverability in my narrow hall way wth any long gun. #2 or #4 shot work and penetrate a lot less My walls are concrete block but the windows are the escape point for any weapon's load. 

The guy that lives right behind me served but got what we used to call a section 8 discharge. Crazy!