Alot will depend on how that Bomar rear is mounted. If it is just drifted into the slides existing dovetail, then it may simply be drifted out and the slide machined for the Heinies. If it is a low-mount installation, wherein the slide is machined to accept the sight itself, then things could be complicated.
Heinie is offering a SlantPro rear that retrofits slides machined for the Kimber adjustable. Reportedly, it can be modified to replace low-mount Bomars too. However, the manner in which various gunsmiths install Bomars differs enough that it may or may not work out. It might be best to let Heinie have a look at the slide.
I've seen the "longways dovetail" front sight installations. The blanks used were intended for mounting on compensators. I think Clark and possibly Brown offered them. The ones I've seen had a set-screw behind the front blade. I don't care for the looks of them, but if properly installed they ought to be serviceable. The blade could certainly be dressed down and shaped as you wish. The blade could then be sent to IWI or Tooltech and have a tritum capsule installed.
Another alternative would be to talk with George Smith of EGW. He is an artist at welding and likely could weld up the dovetail and recut it as you prefer. He might even be able to weld up a rear Bomar low-mount cut, but that would be pretty involved. It wouldn't hurt to ask him. He is a very nice guy.
Last, but not least, sometimes one is better off to just buy a new slide.
Rosco
