Old Shepherd scopes, known for their unique dual-reticle system that provides instant ranging and holdover without dialing for every shot, were highly innovative for their time, offering quick target acquisition on various cartridges (like .308, .30-06, 9.3mm) with their P1/P2/P3 patterns, making them excellent for hunters or shooters wanting speed over extreme precision, though modern optics often surpass them in glass quality and features, making them more of a nostalgic or specialized choice today for those who value their unique BDC system. 150 obo