Here's cortinas thoughts on creedmoor sports comparators, lol. I'm a nobody in the shooting world, but I feel what he says makes sense, but at the same time what does it matter? The measurement is relative to whatever gauge you use i'd imagine. That Creedmoor sports one is defiantly the most convenient. I also like supporting that site whenever I can. Super nice people.Is no one using the creedmoor sports comparators? I have the bullet comparator only. I want the shoulder one next.