Take a peek at some of the Yankee Hill products over at Brownells. I think CDNN Sports has some blocks and folding sights too.
They're really not that expensive, and you'll likely feel better about yourself for doing a quality job instead of a bubba job later on down the road.
Replacing these parts really aren't that big of a chore. Holler back if you want/need some tips and/or guidance- there are folks on here who've imparted tremendous info for some of my projects.
Rednecks... Keeping the woods critter-free since March 2, 1836. (TX Independence Day)
I'm going to use the words "clip" and "Long Colt" every chance I get. It grinds my gears to see new members attacked when we all know dang good and well what's being refered to.