Ah, the original post.
If you don't want to shoot through heat waves, and side-by-side tubes can throw up a lot of mirage in a flurry, then a vent rib.
Too, on certain guns they look natural, not that they necessarily compliment the lines of the gun, but because of they have beoome an accepted style. The M21 leaps to mind. This is analogous to the post of a week ago about stocking to the fences. If nothing else, with most of a centruy and a half of precedent, stocking to the fences is an established, expected style on a Europeon sidelock action, but people would reject that adaptation on, say, an L C Smith.
Not trying to be argumentative, at all, but please explain to me how sighting above a vent rib, that is possible 1/4" higher than a solid rib, will eliminate "shooting through heat waves". The heat waves are mostly coming off the barrels.
SRH
