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Holosun 407K X2 vs 507K X2 Video & Photo Comparison Guide

Holosun 407K X2 vs 507K X2 Video & Photo Comparison Guide

paul rinaldi |

Hey Freedom Gorillas, today we are going to explain the similarities and differences between the Holosun 407K X2 and the 507K X2. We understand that it can be difficult to understand the differences when you don’t have them both in your hands.

TLDR: The main difference between the 407K X2 and the 507K X2 is that the 507K X2 has the MRS reticle and the 407K X2 has a 6 MOA Reticle. Other than that they are pretty much both identical.

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Holosun 407K X2 vs 507K X2 Models & Pricing

The 507K X2 is about $70 more expensive than the 407K X2. Both come in red dot or green dot versions.

Starts at $224.00

Holosun 407K X2

 

Buy the 407K X2 At The Best Price

Starts at $295.99

Holosun 507K X2

 

Buy the 507K X2 At The Best Price

Holosun 407K X2 vs 507K X2 Footprint

The Holosun 407K X2 and 507K X2 have a K series footprint a.k.a. Modified RMSc footprint. This means you’ll need to know the footprint of your pistol and will need to know if these will fit. You can check out our fitment guides here and they will explain which Holosun optics fit your pistol and any type of adapter plate you may need. 

For Hellcat, Glock 43X, and S&W Shield plus owners you will need an adapter plate to mount these optics. This is because the footprint on those guns is an RMSc footprint. You can read more about RMSc vs Modified RMSc here. You can find adapter plate using our adapter plate finder here.

Holosun 507K X2 vs 407K X2 Footprint Comparison Photo

Holosun 407K X2 vs 507K X2 Size & Intended Use

The 407K X2 and the 507K X2 are exactly the same size. They are considered micro optics and are intended for sub compact and micro compact pistols. They can be mounted on full size or compact pistols if you have the correct adapter plate.

Holosun 507K X2 vs 407K X2 Window Size Comparison

Holosun 407K X2 vs 507K X2 Deck Height

The deck height of the 407K X2 and the 507K X2 are the same. This means they will both obstruct your iron sights the same amount. One will not allow you to see more of your iron sites vs the other.

 

Holosun 407K X2 vs 507K X2 Reticles

The 407K X2 and the 507K X2 have different reticles. The 507K X2 has the MRS reticle. The 407K X2 has a 6 MOA Red Dot. The MRS (Multi Reticle System) has a 32 MOA outer ring with a 2 MOA dot. It can be toggled by holding down the “-” button for 3 seconds and will allow you to use only the 32 MOA Circle, the 2 MOA Dot only, or both together.

Holosun 507K X2 vs 407K X2 Deck Height and Reticle Comparison

Holosun 407K X2 vs 507K X2 Battery Life

The 407K is rated at 50K hours of battery life while the 507K is rated at 20K hours of battery life when using the M.R.S. reticle. (If you use the 2 MOA dot only on the 507K it jumps to 50K hours of battery life)

Holosun 407K X2 vs 507K X2 Similarities

  • Dimensionally they are identical
  • They both come in red or green reticles
  • They both have manual brightness modes only and no solar failsafe
  • They both have side removable batteries
  • They are both made out of 7075 T6 Aluminum
  • They are both IP67 waterproof

Holosun 407K X2 vs 507K X2 Differences

  • The 507K has the M.R.S. (Multi Reticle System) and the 407K has a 6 MOA dot
  • The 507K is more expensive than the 407K
  • The 407K is rated at 50K hours of battery life while the 507K is rated at 20K hours of battery life when using the M.R.S. reticle. (If you use the 2 MOA dot only on the 507K it jumps to 50K hours of battery life)

Holosun 407K X2 vs 507K X2 Which is Better?

The main difference between the Holosun 407K X2 and the 507K X2 is the reticle. So which is better?

Well here are some things to consider. The M.R.S. reticle is pretty cool. It gives you some options, you can use the 32 MOA circle only, the 2 MOA dot only, or the 32 MOA Circle with the 2 MOA dot. The larger 32 MOA circle also makes the reticle a bit easier to pick up when drawing the weapon. And the 2 MOA dot is going to be more precise at distance than the 6 MOA dot.

However, the 407K X2 is cheaper, and if budget is a concern for you then you should ask yourself if you are ok with a 6 MOA dot. The 6 MOA dot is nice. It’s large enough to pick up when drawing, it’s precise enough at realistic distances, and it does have a longer battery life.

Holosun 407K X2

 

Buy the 407K X2 At The Best Price

Holosun 507K X2

 

Buy the 507K X2 At The Best Price

Conclusion

We hope you found this guide helpful. If you still have any questions please reach out to us.

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