The aperture of a lens is the opening at its front that lets light pass through to the image sensor. The size of this opening varies with each lens, and bigger openings let in more light while smaller ones allow less.
It’s time to get serious about your next rifle purchase. You’ve been reading up on calibers, and now you’re ready to buy a gun. What’s the best scope for an AR-15? Let us help!
1. Which factors should be considered when buying a long-range scope for my AR?
2. Why are these scopes now being made in 3x, 4x, and 6x variants?
3. Is it appropriate to use a low magnification scope with an AR-15?
4. In what conditions would I need to use more than 1x magnification on my rifle scope?
The list of long-range rifle scopes for the AR platform is a quickly growing one. This article will give you some insight into what I consider to be the top 3 riflescope options when it comes to precision shooting with an AR, and hopefully this information can help guide your decisions should you decide that such a scope would suit your needs as well.
So you’re looking to pick a scope for your AR-15. You need one that matches the situation, and it all starts with understanding what this weapon can do on its own without optics attached. Let’s go over some of these options first before we get too deep into scopes:
What is an “AR”? The acronym stands for Armalite Rifle – after the company who originally developed it from their prototype rifle called “ArmaLite” in 1959 (you may see them labeled as AR00 or ALR). This lightweight semi automatic gas powered gun was designed by Eugene Stoner, which led to ArmaLites becoming part of Fairchild Engine