WTS: 1 Yankee Hill Machine rear flip-up BUIS for $65 shipped. This sight is as new with no box. This sight is also sold by Bushmaster listed as B.M.A.S Rear Flip-Up Sight #(YHM-9440) as their catalog number. The first posted "I'll take it" has it! Follow-Up with a e-mail with your mailing info. I will take a USPS money order at this time. Thanks in advance.!