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Top 6 Best Red Dot for Glock 17 Gen 5 MOS of 2025
The Glock 17 Gen 5 MOS is one of the most refined versions of the legendary full-size Glock platform. It’s accurate, reliable, and ready for optics right out of the box. But finding the best red dot for Glock 17 Gen 5 MOS isn’t as simple as slapping on the first sight that claims “MOS compatibility.” You need to consider footprint, clarity, battery life, recoil resistance, and how the optic complements your shooting style—whether it’s duty, competition, or defensive carry.
In this in-depth guide, I’ll break down the top red dot sights I’ve personally tested on my Gen 5 MOS setup, explain my evaluation process, and help you pick the one that fits your mission perfectly.
Top choices
Top 6 Best Red Dot for Glock 17 Gen 5 MOS of 2025
1. Trijicon RMR Type 2 (RM06 3.25 MOA)
The Trijicon RMR Type 2 is the gold standard for pistol red dots. It’s battle-tested by military and law enforcement around the world. With its forged aluminum housing, it’s built to survive brutal recoil, drops, and the elements.
Product Specs
Personal Experience
I’ve used the RMR Type 2 for over three years, including several thousand rounds through my Glock 17 Gen 5 MOS. It’s survived drops, rain, and even a slide being slammed shut on an empty chamber countless times. The dot remains crisp and holds zero perfectly. The slightly bluish tint takes a few magazines to get used to, but the trade-off is unbeatable durability.
During rapid fire, the dot tracks smoothly, and I’ve never experienced flicker or battery contact issues—something earlier RMR models struggled with. This optic feels like it was made for the Glock 17 Gen 5 MOS.
Community Feedback
Owners consistently praise its reliability under harsh duty conditions. Many shooters on GlockTalk call it “the only optic they’d trust their life to.” Mounting requires the RMR plate (included with the MOS kit) or a precision-machined aftermarket option.
2. Holosun 507C X2
Holosun’s 507C X2 is one of the most popular alternatives to the RMR, combining advanced technology and affordability. It’s a multi-reticle sight with solar backup and Shake Awake motion activation.
Product Specs
Personal Experience
I mounted the 507C X2 directly to the Glock MOS RMR plate, and fitment was solid. The sight’s Shake Awake feature was incredibly convenient for daily carry—I never had to manually power it on. The circle-dot reticle made target acquisition lightning-fast during close-range transitions, and the crisp 2 MOA dot allowed precise hits out to 50 yards.
In my testing, it held zero after 1,000 rounds of mixed FMJ and hollow-point loads. The solar panel genuinely helps in daylight shooting, reducing battery dependence. It’s also easier to adjust brightness than on the RMR, with tactile side buttons.
Community Feedback
Shooters online often call it “the smart man’s RMR.” Many appreciate its feature set—solar, Shake Awake, and multi-reticle—at half the price. It mounts directly with RMR-compatible plates and requires no custom slide milling.
3. Leupold DeltaPoint Pro
The Leupold DeltaPoint Pro stands out for its massive window and professional-grade optical clarity. It’s trusted by competition shooters and law enforcement alike for fast sight acquisition.
Product Specs
Personal Experience
When I mounted the DeltaPoint Pro, the larger window immediately made transitions smoother. The glass is ultra-clear, with no tint or distortion—perfect for daylight use. The top-loading battery is a major convenience, allowing me to change power cells without removing the optic.
While slightly bulkier than others, the extra height doesn’t bother me since I use suppressor-height sights for co-witnessing. Recoil tracking is effortless, and the dot remains visible even under strong sunlight. I’ve run this optic for 800+ rounds and never lost zero.
Community Feedback
Leupold’s sight is widely respected for its optical clarity and rugged aluminum construction. However, some shooters mention it’s a bit tall for low-bore setups. The MOS plate #01 works perfectly, though many prefer the precision of a C&H adapter.
4. Aimpoint ACRO P-2
The Aimpoint ACRO P-2 represents the next evolution in enclosed-emitter pistol optics. It’s fully sealed, meaning no rain, dust, or debris can interfere with your emitter or dot clarity.
Product Specs
Personal Experience
This optic transformed my Glock 17 Gen 5 MOS into an all-weather duty tool. I tested it in light rain, and the dot stayed clean while open-emitter sights began fogging up. The P-2’s side battery compartment is another major advantage—no re-zeroing after battery changes.
The dot is crisp, the adjustments are precise, and the lens has minimal color shift. Although it’s slightly heavier than open designs, the trade-off is total environmental protection. After 1,200 rounds, zero was rock-solid.
Community Feedback
Shooters in professional circles rave about the ACRO P-2’s reliability in extreme conditions. It’s the preferred optic for law enforcement agencies in Sweden and several U.S. departments. Mounting requires a specific MOS plate, but the fit is secure and low-profile.
5. Swampfox Justice
The Swampfox Justice is a budget-friendly RMR-footprint optic designed for full-size pistols. It offers a large viewing window and competitive feature set at a fraction of the price.
Product Specs
Personal Experience
I mounted the Swampfox Justice on the Glock MOS plate with no fitment issues. The window size immediately impressed me—it’s larger than both the RMR and 507C. The glass is surprisingly clear for the price, and the controls are responsive.
At the range, I pushed it through 700 rounds. It held zero admirably, though not as tightly as the Trijicon or Aimpoint. The Justice is perfect for casual shooters or those looking for a high-value optic to train with before upgrading. Recoil tracking is clean, and the dot is easy to pick up under recoil.
Community Feedback
Online reviews echo my experience—most shooters agree it’s a great value. Some mention minor battery cap loosening over time, but tightening with thread locker solves it. Mounts directly using RMR plates.
6. Vortex Venom
The Vortex Venom is an entry-level optic ideal for shooters new to pistol red dots. It’s lightweight, clear, and backed by Vortex’s lifetime warranty.
Product Specs
Personal Experience
I installed the Venom using the Glock MOS #04 plate, and it fit snugly. The sight’s glass is clear with minimal distortion, and I found the dot bright even in full sunlight. After zeroing at 15 yards, I ran 500 rounds through it without losing alignment.
It’s not as rugged as the RMR or ACRO, but for range and casual use, it performs exceptionally well. The controls are intuitive, and the auto-brightness mode adjusts smoothly. I wouldn’t hesitate to recommend it for anyone starting out with pistol optics.
Community Feedback
Shooters frequently mention the Venom’s reliability for the price. Many prefer it as a range training optic before transitioning to higher-end options. Mounting requires the #04 MOS plate, included with Glock’s MOS kit.
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