Peep sight
Install a good receiver peep sight. Then, you take the insert out of the peep sight, and use it that way. This allows a larger aperture, and a better sight picture under low light conditions. You can put the insert back in for use on the range when testing loads, as it will be more accurate that way.
With a peep sight, you look THROUGH the rear sight, and you eye automatically centers on the hole. When shooting, you have to align three things, the target, the front sight, and the rear sight, if you use an open or buckhorn sight. With the peep, you only have to align the target and the front sight, as your eye is aligned with the rear peep sight hole.
With a buckhorn sight, part of your target is obscured by the sides of the sight. This allows less light to get past the rear sight. The peep sight without the insert shows more of the target, and thus more light.
Think about this! When the British developed the Mark 4 rifle, they used a rear mounted peep sight. On the British models, and some of the early Canadian models, there were two sizes of holes for the sights. The adjustable ladder for elevation had a small hole for more precise shooting, but the Battle Sight had a large aperture hole. This Battle Sight was zeroed at 300 yards, and gives a wider field of view, but is still considered accurate enough to hit a man sized target at that range, and lets more light in for lower light conditions.
If the British military, with 40 years of experience, and the Boer War and WWI behind them, thought that the open sights were the way to go, they would not have considered putting peep sights on the No. 4 Rifle. Also, look at most modern military rifles today in the Western Hemisphere, they have peep sights. The M-16, the FN-Fal, HK, and most of the rest use peep sights.
You were given an answer, but you seem irritated that it was not SPECIFIC to the Model 94 Winchester. Well, here is another answer, Sonny. It is based on 55 years of hunting experience, 30 years of shooting on a target range out to 1000 yards with open sights, and some practical experience at the sharp end of the stick.
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