That's just about what I was a thinking it would be (there about) in that neighborhood!
Kind 'a like "Sight Base Aiming" LongWalker?
The sight base didn't really come into play til about 300 yards; by 400 I was holding on the barrel. . . .
The really bad part of such low sights is the way we do our shoots today. Instead of 20 or however many shooters lining up, firing one shot, then going to the back of the line (letting barrels cool) while waiting to shoot again, we do 20 minute relays. The heat waves coming off the barrel make such low sights very hard to use. I know I'll be changing the sights on the Kibler, won't know to what til I get it in hand.
The more I think about it, the more I think my Leman will keep the same sights as it has now. When I rebuild my personal rifle I'll be changing the rear sight to a folding leaf jaeger style, with the fixed leaf filed to what the Brits call an "express sight", and the front will get changed to a lower bead kinda like the Dickert had.
I'm looking forward to getting the Kibler done so I can play more in games like these!