If I got the SR target right, the 9-ring is the outer black diameter and is 13 inches in DIA. Scale that from 200 yds back to 8.3 yds (25 ft) and 13 inches becomes 0.542 inches. Hope that helps.
My SCATT electronic trainer has a target generator program that can scale targets. I can email you a 8.5x11 printable PDF of the 200 yd SR scaled to 7.62 meters (25 ft). Just PM me your email address.
6.5 MOA times 1/4 inches (one MOA at 25 yards) = 1.625 inches, or 1 and 5/8ths of an inch. 0.542 inches should be about the diameter of the 10 ring inside the aiming black.