Affordable Micro Red Dot That Works
Triton Nautilus
@TritonWild
3 MOA micro red dot with integrated rear backup sights on the RMSc variant only
Choose the Nautilus option that matches your slide or adapter plate: RMSc or K-Series. These options are not a universal-fit guarantee.
Confirm the exact model, generation, optic cut and hardware requirements. A model name by itself may cover several mounting configurations.
The RMSc variant only includes rear backup sights integrated into the optic housing. The K-Series variant does not include rear backup sights.
Whether the rear backup sights align with your front sight depends on front-sight height, slide geometry and any adapter plate. A specific co-witness height is not guaranteed across all setups.
Both the RMSc and K-Series versions use a CR2016 battery. The top-access compartment lets you replace the battery without removing the optic from its mount.
Follow the Nautilus manual and the polarity markings on your unit.
Nautilus is backed by Triton’s lifetime warranty.
See the current shipping policy and return terms for processing, delivery and eligibility details.
WHY NAUTILUS
A clear aiming point, motion activation and a battery you can reach from above. Nautilus keeps the everyday essentials together in one compact optic.
TAKE A CLOSER LOOK
Explore the sight picture, battery access and motion activation using the product’s own gallery images.
Gallery images illustrate product features. The dot shown is not a calibrated simulation of its apparent size.
BUY WITH CONFIDENCE
A quick compatibility check helps you choose the right Nautilus before ordering.
QUESTIONS BEFORE YOU BUY
Although they share most dimensions, they are not exactly the same. The RMSc footprint will fit both the RMSc and K-series but not the other way around. This is because K-series red dots do not have lugs at the rear of of the sight while the RMSc does. Similar-looking optic cuts can differ, so do not rely on the handgun name alone.
That depends on your slide’s optic cut and the Nautilus option you choose. Check the slide or plate manufacturer’s specifications, or ask Triton to confirm your combination.
3 MOA describes the dot’s angular size. Nautilus uses a single red aiming point with 10 brightness settings. Gallery illustrations are not calibrated representations of how large the dot will appear to your eye.
No. The current Nautilus design uses top-access battery replacement, so you can reach the battery compartment while the optic remains mounted. Follow the model-specific battery instructions.
Shake Awake activates illumination when the optic moves and puts it to sleep when idle. Triton lists up to 50,000 hours of battery life; brightness, movement, temperature and battery condition affect actual runtime.
Rear backup sights are included on the RMSc variant only. Alignment depends on the front-sight height, the slide and any adapter plate. A specific co-witness height is not guaranteed across all setups. The K-Series variant does not include rear backup sights.
Download the Nautilus owner's manual using the download button on this page. For additional help, contact support. Nautilus is backed by Triton’s lifetime warranty.
FROM DETAILS TO DEMONSTRATION
A dedicated space for product walkthroughs and owner perspectives.
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Browse the make and model lists by Nautilus SKU.
RD-NAU-RS-2
Type B OR/OSR / Type D OR/OSR
PD10
BP9CC OR
Mete MC9 / Mete SF / Mete SFT / Mete SFT Pro / Mete SFX
Reflex MRD
43X MOS / 48 MOS
Witness 2311
Masada Slim
R7 Mako OR / R7 Mako TFS / R7 Mako Carbon Compact / CDS9 / KDS9c
Beretta Tomcat RDO
MC2sc Optic Ready
5.7 Rock Optics Ready / Dagger Micro
STK100
MAX-9 / 5.7 Optics Ready
SAR9 Subcompact Gen2 / SAR9 Compact Gen3 / SAR9 Gen3 / SAR9 Sport Gen3 / SAR9 SOCOM
CPX-1 RDR / CPX-2 RDR / CPX-3 RDR / CPX-4 RDR / DVG-1 RDR
CR920 Combat / Elite /CR920P
P322 / Comp / P365-380 / P365 Optic Ready / P365X / P365XL / P365-XMACRO / Comp / P365-AXG Legion
M&P 22 Magnum Performance Center / M&P Shield M2.0 OR / M&P Shield Plus OR / Equalizer
Hellcat OSP / Hellcat RDP / Hellcat Pro / XD-S Mod.2 OSP
STR-9MC
TX 22 Compact / GX4 TORO / GX4XL / GX4 Carry TORO / Defender 856 TORO / 327 TORO / 605 TORO / Judge TORO / Magnum Judge TORO
Carry Double Stack / Duty Double Stack / Night Stalker / Double Stack SF
RD-NAU-RS
Reflex MRD / Reflex XL MRD
43X MOS-K
CC9 Optics Ready / CC9 Optics Equipped
Masada Slim / Masada Slim Elite / Masada Slim Commander Elite
R7 Mako Tactical
Dagger Micro / Dagger Micro C-1 / Dagger Micro X-1
MAX-9 Optics Ready
CR920 / CR920 Elite / CR920P / CR920X / CR920XP
P365-380 Optics Ready / P365 Optics Ready / P365X / P365XL / P365-XMACRO / P365-XMACRO Comp / P365 FUSE / P365 AXG Legion
M&P Shield X / Performance Center Shield X Carry Comp / CSX E-Series 3.1" / CSX E-Series 3.6"
TX22 Compact
Match the exact optic-ready version and confirm your slide or adapter plate before choosing a footprint.