HW/Weihrauch Aperture disks...

[Wadcutter]

Picked up a loose FWB diopter sight but couldn't figure out exactly what gun it came on. It has meter markings not found on any of the other FWB sights I'd seen of that type.
Winning this FWB2000 at a local auction answered the question. Still though, when placed side by side, it has a slightly longer base.

Comparison photos with standard FWB300S sight at top and the long base at bottom.

 

[MDriskill]

Nice! Thanks for the fine pics, had not seen an FWB firearm diopter before.

Besides the extra length, it looks like it might also have a little more horizontal and vertical adjustment range than the air rifle sights.

 

[MDriskill]

The fun part of a sighting system like that is the impression that it gives others who are not initiated into the precision side of rifle shooting.
The apparent mechanical complexity lends itself to the belief that you must be a degreed engineer or mathematician to hit the target, and the associated lingo involving sight radius, aperture size, front sight size, and diopter correction thickens the air of mystery.

I know that I have mentioned it before, but your Redfield looks completely at home on that rifle. The rifle looks like business, and does so naturally.

Thanks! I confess part of the reason I did that, is I just thought it looked cool LOL. Blame it on 45+ years in architecture, but I'm a sucker for such impractical things.