XS Sights Big Dot Revolver Front Sight — Smith & Wesson Black | Green Tritium with Yellow Outline (RV0003N3Y • UPC 647533000604)
Upgrade your Smith & Wesson revolver for blazing-fast target acquisition and superior low-light performance with the XS Sights Big Dot Revolver Front Sight (Model RV0003N3Y). Built for shooters who want a no-fuss, high-visibility front sight that dramatically reduces sighting time, this Big Dot combines a bold, high-contrast profile with a self-luminous tritium insert framed by a yellow outline — ideal for duty, defensive, and everyday carry use.
Why the XS Sights Big Dot?
The Big Dot front sight was designed to simplify aiming under stress. Instead of trying to precisely align three thin points, the large luminous dot gives your eye a single, unmistakable aiming reference. Whether you’re shooting in bright daylight, dusk, or near-dark conditions, the combination of green tritium (self-luminous) and a yellow outline ensures the dot remains highly visible and easy to acquire against a variety of backgrounds.
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High-Visibility Design
Large “Big Dot” surface — creates a single, fast-to-find aiming point that speeds up sight picture and follow-up shots.
Green tritium core — provides self-powered low-light illumination for reliable visibility without batteries or external light.
Yellow outline ring — enhances contrast and makes the dot easier to pick up in bright daylight and mixed-light conditions.
Matte black housing — reduces glare and reflections while maintaining a tactical, low-profile look.
Durable Construction & Fitment
XS Sights are engineered for real-world carry and defensive use:
Rugged steel housing finished in matte black to resist corrosion and wear.
Precision-manufactured dovetail dimensions for a secure, repeatable fit in compatible Smith & Wesson revolver slots.
Low profile that resists snagging and keeps the silhouette compact while offering an oversize aiming reference.
Fit note: This front sight is made to fit most Smith & Wesson revolvers with the appropriate dovetail configuration. Always verify model compatibility (or consult the retailer/manufacturer) before purchase. Some variants or Frame sizes may require a gunsmith or sight pusher for proper installation.
Performance Benefits
Speed: The large luminous dot dramatically reduces time to acquire the sight picture — critical in defensive and close-quarters scenarios.
Low-light readiness: Tritium illumination provides a bright aiming point in low- and no-light conditions without electronics or batteries.
Contrast: The yellow outline amplifies visibility against dark backgrounds and makes the green tritium pop in daylight.
Simplicity: One-dot aiming reduces the mental load of aligning front and rear sight faces under stress.
Installation & Safety
Professional installation recommended: For best results and to avoid damage to your slide or barrel rib, have the sight installed by a qualified gunsmith or use a proper sight pusher tool.
Set & verify: After installation, verify alignment and zero at the range with your preferred load. Small windage adjustments may be necessary.
Handle tritium responsibly: Tritium inserts are sealed and safe; do not attempt to disassemble or tamper with the luminous capsule.
Key Features & Specifications
Model: RV0003N3Y
UPC: 647533000604
Style: Big Dot front sight — high-visibility single-dot design
Color / Finish: Matte black housing with green tritium dot and yellow outline
Material: Hardened steel housing; sealed tritium vial insert
Compatibility: Designed for Smith & Wesson revolvers with matching dovetail; verify fit for your specific model
Application: Duty, concealed carry, home defense, competition, low-light shooting
(Exact dovetail dimensions and fitment notes may vary by revolver model — check product details or contact XS Sights or your gunsmith for model-specific guidance.)
Care & Maintenance
Keep the sight free of debris and fouling — wipe with a soft, dry cloth after range sessions.
Do not strike or attempt to open the tritium capsule; it is factory-sealed and installed for longevity and safety.
Inspect sight seating periodically and re-tighten/seat as needed following manufacturer or gunsmith instructions.
Who Should Buy the XS Sights Big Dot?
Concealed carry and duty carry holders who need the fastest possible sight acquisition.
Law-enforcement and security professionals who operate in varied light conditions.
Competitive shooters and IDPA/USPSA competitors who prefer a fast, intuitive front sight.
Any Smith & Wesson owner looking to upgrade factory sights for better low-light performance.
Final Thoughts
If your priority is speed, clarity, and low-light readiness, the XS Sights Big Dot Revolver Front Sight (RV0003N3Y) delivers an elegant, battle-tested solution. Combining a bold luminous core with a contrasting yellow outline and a durable matte-black housing, this sight helps you find the dot fast and stay on target when it matters most.
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