🔧 Holosun Model Series Breakdown: Find the Right Optic for Your Setup

ByKenny
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With so many Holosun models on the market, it’s easy to get lost in the mix—especially when all the names sound like part numbers off a NASA blueprint.

At Tactical Cowboy Outdoors, we’ve had our hands on just about every Holosun that’s come through the shop. So let’s cut through the noise and break these optics down into two simple groups: long gun and handgun.

Whether you’re decking out a rifle, PCC, braced pistol, or optics-ready carry gun—this guide will help you find the right fit.

🔫 Holosun Long Gun Optics

🔹 403 Series

  • Basic tube-style red dot with a 2 MOA dot
  • No frills, rock-solid performance
  • Shake Awake™ & solar versions available

✅ Best for: AR builds, PCCs, budget-conscious shooters

🔹 503 Series

  • Adds Multi-Reticle System (MRS) – switch between a dot or circle + dot
  • Better glass clarity and power-saving features over the 403

✅ Best for: Range and recreational rifles, upgraded home defense builds

🔹 515 Series

  • Tactical-grade features: flip caps, kill flash, and durable aluminum body
  • Built for folks who put their gear to work

✅ Best for: Duty rifles, range-ready setups, shooters who want extras

🔹 530 Series

  • Premium build with a titanium housing
  • Long battery life, MRS reticle, ultra-rugged

✅ Best for: Law enforcement, ranch guns, survival builds

🔹 512 Series

  • Enclosed reflex sight with a traditional look and a big viewing window
  • Great clarity, longer profile, built like a tank

✅ Best for: Shotguns, DMRs, rifles that get beat up in the field

🔹 510 Series

  • Open reflex sight with titanium hood
  • Wide viewing window, fast acquisition, multiple reticle options

✅ Best for: 3-Gun, home defense, range rifles

🔹 SCRS (Solar Charging Rifle Sight)

  • Fully enclosed micro dot with solar charging only (no replaceable battery)
  • 509T footprint, compact and clean design

✅ Best for: Lightweight builds, minimalist rifles, low-maintenance setups

🔹 AEMS (Advanced Enclosed Micro Sight)

  • Wider field of view in a small, enclosed package
  • Great glass, Shake Awake™, Solar FailSafe™, and flip caps included

✅ Best for: Truck guns, SBRs, compact AR pistols

🔹 DRS (Digital Reflex Sight)

  • Combines a red dot + digital night vision or thermal imaging
  • Compact compared to most like it

✅ Best for: Night hunting, hog control, experimental builds

🔥 Holosun Handgun Optics

🔸 EPS & EPS Carry

  • Fully enclosed emitters, no exposed lenses to fog or get dirty
  • EPS fits full-size pistols, EPS Carry fits micro-compacts (Glock 43X, P365, etc.)
  • Side-loading battery tray, Shake Awake™, MRS reticle

✅ Best for: Concealed carry, rainy/humid environments, EDC pistols

🔸 SCS (Solar Charging Sight)

  • Direct-to-slide mounting—no plate needed for select models (Glock, HK, Walther)
  • Solar charging + auto-adjust brightness, no battery swaps

✅ Best for: Glock MOS or VP9 optics-ready pistols, minimalist carry setups

🔸 509 Series

  • Fully enclosed pistol optic, built tough with a proprietary mounting system
  • Comes with adapter plates and great for duty/carry use

✅ Best for: High-use carry guns, folks who shoot in rough conditions

🔸 508 Series

  • RMR footprint, titanium housing, premium build quality
  • Same window size as 507C but with added durability

✅ Best for: High-round-count shooters, optics-ready slides

🔸 507 Series

The workhorse. Available in multiple versions for different platforms:

  • 507C – Full-size pistol optic with RMR footprint
  • 507K – Slimmed-down version for micro-compacts
  • 507Comp – Built for competition, with an oversized window and Holosun’s new “Competition Reticle System” (CRS)

All versions come standard with:

  • Shake Awake™
  • Side battery tray
  • Red or green options
  • Multiple reticle modes (dot only, circle only, or both)

✅ 507C/507K Best for: EDC pistols, carry optics builds, and all-around versatility
✅ 507Comp Best for: Competition shooting, range-focused builds, shooters who want that massive sight picture for speed and precision

🧠 Pro Tip: The 507Comp gives you a 1.1″ x 0.87″ window—one of the biggest on the market. If you’re building a competition gun or want the fastest dot reacquisition possible, this one’s hard to beat.

🔸 407 Series

  • Budget-friendly, simple dot-only optic
  • Available in both “C” and “K” configurations

✅ Best for: First-time red dot users, basic optics-ready pistols

🧠 Final Thoughts

Holosun’s not flooding the market with throwaway models—they’re giving you options that actually make sense for how you shoot.

Whether you’re running drills with a duty rifle or just trying to hit steel faster with your carry gun, there’s a Holosun built for the job. You just need to match the right optic to your platform—and that’s what this series is all about.

👉 Up next: we’re breaking down reticle styles, dot colors (red vs green vs gold), and Holosun’s signature features like Shake Awake™, Solar FailSafe™, and battery life tricks that make a real difference.

📍 In the meantime, if you’ve got questions about fitment or want help picking the perfect model, swing by Tactical Cowboy Outdoors in Waddy, KY or reach out here. We’ll get you dialed in.

Until next time—stay sharp and keep your zero tight.

— Kenny @ Tactical Cowboy Outdoors

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