Seekins is exactly what I was looking at. They're backordered, so I sent an email asking for a lead-time, hopefully it won't be too long.

The recoil lug should eliminate the need to upgrade to 8x40 screws; should it not?

24HCF in its entirety, is solely responsible for why my children do not have college funds, my mortgage isn't paid-off and why I will never retire early enough to enjoy the remainder of my life.