DiveRite aluminum (non-anodized) backplates+harness. Heavily abused, and good to be abused more.

Hog-DIR style w/2" crotch strap in neoprene tubing, w/sheath and blunt knife, inflator retainer ring, w/6cuft argon DIY bands, $65 firm, +shipping or will bring to Amg's

De-lux (w/bunch of unnecessary d-rings, crotch strap 1" w/fixed butt ring, small knife in neoprene sheath, $60 firm , +shipping or will bring to Amg's

Buy both and get DR stage bottle harness (used) free.