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Holosun Modified RMSc Footprint/K Series Footprint Optics - Red & Green Dot Sights

Below are the Holosun Optics that have a Modified RMSc a.k.a. K Series footprint. This is similar to the RMSc footprint except it does not have a recess for rear recoil lugs. To learn more read our RMSc vs Modified RMSc blog post.

If you are mounting these optics to certain pistol like the G43X/G48 MOS or S&W Shield Plus you will need an adapter plate. Read our fitment guides to learn more or reach out if you have further questions.

These will mount directly to the following models:

  • Bul Armory SAS II Ultralight 
  • S&W M&P 5.7 (needs these screws)
  • S&W Equalizer (needs these screws)
  • Sig P322, 365X, 365XL, 365X-Macro, 365-380
  • Canik TP9 Elite SC
  • Mossberg 940 Tactical (Shotgun)
  • and others!
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About Holosun Modified RMSc Footprint

These Holosun Optics with a Modified RMSc, also known as the K Series footprint, are engineered to provide unparalleled performance and versatility for modern firearms. Unlike the traditional RMSc footprint, the modified version does not have a recess for rear recoil lugs.

Benefits of Holosun Modified RMSc Footprint include:

Enhanced Concealability: The low-profile design is ideal for concealed carry, maintaining a sleek, compact firearm setup.

Improved Performance: Expect faster target acquisition and increased accuracy, making these optics suitable for both competitive and everyday carry use.

When mounting these optics on certain models like the Glock 43X/G48 MOS or the S&W Shield Plus, you may require an adapter plate to ensure a perfect fit. These optics are carefully selected to meet the demands of precision, durability, and reliability across diverse scenarios.

Holosun’s Modified RMSc footprint optics mount directly to several popular firearms, including but not limited to:

For the most up-to-date compatibility list, visit the "fitting guide" and review the table provided.

Whether you're enhancing accuracy, increasing target acquisition speed, or simply upgrading your firearm setup, our selection of Holosun optics with the Modified RMSc footprint offers exceptional performance. Dive into our collection and experience the difference today.