With the market being flooded with Red Dot Optics it’s hard to know which ones are actually decent and which ones are not. What makes a red dot great, for starters, is the durability and the size.
Accurate rifle shooting results from a combination of the shooter, firearm, sighting system, and ammunition working together correctly. That said, here are some factors to consider when choosing a red dot.
The first thing to consider always is the size of the dot. Although all sights perform the same task, its size will matter depending on your need. For example, if you have a small handgun, you would benefit more from a smaller red dot sight and a rifle is suitable with a larger one. While the bottom line is how well you perform with the sight, you always want to guarantee that sizing works for the weapon in question.
When selecting a sight with no magnification, achieving a balance between ease of raid sight acquisition and having a fine aiming point is tricky but possible. Reticles with dots or aiming points around 2 minutes of angle or less are more convenient to aim accurately but harder to acquire quickly in a pinch. It’s a good thing that they can often be made bright enough that the same bloom effect hampering precise aiming makes the reticle appear larger at high-illumination settings.
Larger ones don’t really mean finer aiming, they just require a variation in normal aiming techniques to use with precision.
Another important matter here is the battery in terms of life and the ease of access. For instance, if you choose a sight with special order batteries compared to more readily available batteries, you’re making quite the wrong choice. But if the benefits for you in terms of performance or weapon compatibility outweigh the factor of ease of access to battery type, that is a decision only you can make. Also, consider battery life. This will help you meet the needs of how long you plan to train or utilize the weapon for real action. Most sights will tell you clearly from the manufacturer the battery type and expected battery life, so consider this before buying
Reticles are easier to acquire when the electronic sight rheostats are turned to their brightest positions. This is more applicable for close targets that typically present the greatest threats, but when you have the luxury of slowing down, reducing that illumination level will provide a finer aiming point. Based on experience, accuracy is better when you dial down your rheostat to the point where the reticle is barely visible against the target. Your own requisite level of illumination depends on your lighting conditions, eyesight, and reticle style. As brightness goes up, aiming points tend to wash out the target image, especially if they are prone to “bloom” as more light exaggerates an imperfect reticle shape
Magnifiers that mount behind red to and reflex type sight are great at bringing our target images to more detail. Unfortunately, they also magnify our aiming reticles, flaws and all. If your electro-optics aim point looks like a small star normally, it will turn into a full-blown explosion under magnification. Here, isolating a small part of the reticle to use for zeroing and precise aiming will help resolve the problem.
Know the Disadvantages of Red Dot Sights
Since these optics have no magnification, they are not great for mid to long-range engagements. Many units are moving away from these for use on standard service rifles because it keeps personnel from having the upper hand in longer-range engagements. If you’re looking for a basic optic to take to the range that won’t break the bank, this is probably your best bet. But if you’re looking for something more versatile consider a variable power red dot optic.