Holosun 407K X2 Red Dot, 6 MOA, K Series Footprint (Modified RMSc), Side Battery - HS407K-X2

The Holosun 407K X2 Red Dot is a micro compact pistol red dot sight that features a 6 MOA dot and a modified RMSc a.k.a. K-Series Footprint. It is intended to be used on sub compact and micro compact pistols with the properly cut slide.

The 407K X2 will fit directly on slides that have a K Series footprint, but will require an adapter plate for pistols with an RMSc footprint. 

The 407K X2 is one of the best value micro red dot pistol sights on the market. It features a slim sleek profile, a strong 7075 T6 aluminum housing, side removable battery, shake awake, 2 nightvision modes, 50,000 hours of battery life, a bright emitter easily visible in bright sunlight, manual brightness controls, and IP67 waterproof rating.

This tough and reliable pistol red dot sight from Holosun is one of their lowest priced micro pistol red dot sights. The 6 MOA dot is great for short to mid range. It’s a nice size dot to pick up on the screen and to get on target quickly.

View our Holosun 407K X2 Review here

View our Holosun 407K X2 Resource Page Here

Holosun 407K X2 Red Dot FAQ

• What is the difference between 407K and 507K?
• The 407K has a 6 MOA Dot and the 507K has the MRS (Multi Reticle System) which is a 32 MOA Circle and 2 MOA Dot. By holding down the "-" button for 3 seconds you can toggle between the 32 MOA ring only, 2 MOA dot, or both the ring and the dot.
• Do 407K and 507K have the same footprint?
• Yes they both have a modified RMSc footprint.
• What is the difference between the Holosun 407C and 407K?
• The Holosun 407C has an RMR footprint and is larger than the 407K. The Holosun 407C also has a solar failsafe, auto brightness setting, and a 2MOA dot. The 407K has no solar panel, or auto brightness mode, and has a 6 MOA dot.
• What is the difference between Holosun 407K and 407K X2?
• The 407K X2 is the latest version of the 407K. There was an older version which was not the X2 model. Today the 407K X2 is the only model on the market with that name, it is commonly referred to as the 407K.
• Which is better Vortex or Holosun?
• Holosun is better because they have a better track record, longer battery life, and better features, controls, reticles, and reticle colors.
• Will a Holosun 407k fit a Glock?
• The Holosun 407K X2 can fit a Glock MOS model but an adapter plate will be needed.
• Is the Sig Romeo or Holosun better?
• The Holosun is better. It's made out of aluminum and has better features.
• What is the difference between Holosun HE407K and HS407K?
• The HE407K is the green dot version of the 407K, the HS407K is the red dot version.
• What size dot is a 407K?
• The 407K X2 has a 6 MOA dot.
• Is green dot or red dot better?
• The green dot is better. Green is easier for the eye to pick up, can appear brighter than red, and helps with astigmatism.
• Will the Holosun 407K fit a Sig p365?
• Yes the Holosun 407K X2 will fit a Sig P365 as long as it has an optics ready slide.
• Is Holosun duty grade?
• Holosun optics are very tough and durable.
• Will a Holosun 407k X2 fit a Glock 19?
• If you have a Glock 19 MOS you can mount a Holosun 407K X2 using this adapter plate.

Holosun 407K X2 Red Dot User Manual

• Holosun 407K X2 User Manual

Holosun 407K X2 Specifications