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Let’s Talk About Rears

Let’s Talk About Rears

Your choice of front and rear sights is important. There are different types designed to address different needs. There are a few things that you cannot compromise on. For example, combat sights should be night sights. Then there are other considerations that are entirely user preference. Today we are going to specifically talk about rear sights, and your rear sight style options.

Sight Style

Standard or Suppressor Height?

We’ll cover this quickly. Sights come in standard height and suppressor height. Suppressor height is somewhat self-explanatory and is designed to allow you to align your sights on a target over a suppressor. Most suppressors block the ability to really use standard height sights. Suppressor height sights are also a must have if you want to run a miniature red dot. They allow you to co-witness your iron sights in case that dot dies. Night Fision’s suppressor height sights are designed to be OEM replacements, as a result, our suppressor height sights are a lower 1/3 co-witness.


The shape of your rear sight has more effect on your gun that you realize. Until you shoot the different shapes side by side you really start to pick up the differences. The two main shapes for gun sights are, U notch and Square notch.

  1. U Notch

U Shaped sights are both old and new. They were common on rifles way back before peep sights, but only relatively recently have they found their way on handguns. They make sense though. The front sight is round, so why not use a round rear sight? Round pegs go in round holes right? It slides in easily and makes shooting faster and more intuitive.

Most customers find the U notch rear is better for rapid target acquisition. This is because the human eye tends to focus on sharp corners/angles, which can distract you from your focus on the front sight. If this takes even a tenth of a second to correct, you may not win the fight.

U shaped rear sights and their smooth cuts are often more desired on concealed carry guns. The rounded corners help keep the gun comfortable when carried tight to the body and help reduce snap potential. This makes daily carry more comfortable, and a makes drawing from concealment easier.

  1. Square Notch

For precision shooting it’s hard to beat the 1909 design of a rear square sight. If you want the utmost precision from iron sights then you need to go with square rear sights. The square shape forces you to exercise proper alignment. It allows you to put that front sight perfectly in the middle of your rear sight and put those rounds in tiny groups on tiny targets.

This makes it sound like square shaped sights are only designed for competition shooting or steel shooting. This isn’t true. Plenty of combat applications call for precise shots. A squared shaped rear sight allows you to take those precise shots when necessary. A square shaped rear sight is perfect for police and military use, and for concealed carriers who value precision over speed.

Personal Preference

Choosing your rear sights is an incredibly important decision. It’s also a personal decision, and one you’ll have to make for yourself. When you decide what sights you want and need, Night Fision will be here to provide you with a high quality, American made, option.


-Tommy Tips


  1. U notch, standard hight.

  2. Really like the blacked out U notch rear sight. But would like to see the “accur8” in a U notch configuration.

  3. Thanks for the feedback Victor! We would love to offer our popular U notch for the Accur8. However, we run into a problem with packaging our large tritium assembly in the bottom of the “U”, while still keeping our sights the same OEM replacement height. We appreciate your thoughts, it’s customers like you who help us come up with future product ideas.

  4. Bryan K Walker

    Are you ever going to offer the Accur8 system for the CZ 75 community?

  5. We are looking into the CZ75 finally!

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