I think I would try fitting a either a TC Hunter Tang Peep Sight or one of the Williams WRGS models like the one in the link below. You may have to do a little filing and fitting, and maybe drilling and tapping, but it should be doable.
http://www.midwayusa.com/product/681...aluminum-black
Last edited by Semisane; 06-05-2012 at 09:32 AM.