Upgrade your Sig Sauer P-Series pistol with sights designed to stay bright in daylight and remain visible when the lights go out. The TruGlo TFO (Tritium Fiber Optic) Sight Set combines the best of both worlds—fiber optics for brilliant daytime visibility and tritium illumination for low-light performance—in a rugged, duty-ready package built for real carry and serious range use. This configuration features a Green/Tritium/Fiber Optic front sight paired with a Yellow/Tritium/Fiber Optic rear sight, and it’s engineered for Sig Sauer P-Series pistols using #6 front / #8 rear sight heights. Model TG131ST2Y (UPC 788130020982).
If you’re searching for TruGlo TFO Sig Sauer P-Series sights, TG131ST2Y, #6/#8 Sig night sights, or 788130020982, this is the exact set designed to match those keywords and deliver fast sight acquisition in virtually any lighting condition.
TFO Technology: Fiber Optics + Tritium in One All-Light Sight System
TruGlo’s TFO (Tritium Fiber Optic) system is built for shooters who want high-contrast sight pictures in daylight and self-illuminated visibility in low light—without switching sight sets or relying on battery-powered optics.
Why TFO sights are so popular:
Bright fiber optic glow in daylight and indoor lighting
Tritium illumination for dark conditions and night use
Consistent sight picture that doesn’t depend on ambient light alone
Excellent for defensive-style training, duty use, and everyday carry (where legal)
If you want a sight set that stays “on” all the time, TFO technology is designed exactly for that purpose.
High-Visibility Color Pairing: Green Front + Yellow Rear for Faster Focus
This set uses a green front and yellow rear, a color pairing many shooters prefer because it helps the eye prioritize the front sight quickly. Faster front sight focus can translate to:
Quicker alignment during draw and presentation
Easier tracking during recoil and follow-up shots
More confidence in transitional shooting drills
Better performance under stress and time pressure
The front sight is where you want your attention—and a bright green front paired with a contrasting rear makes that job easier.
Built for Sig Sauer P-Series with #6 Front / #8 Rear Height
This sight set is designed specifically for Sig Sauer P-Series pistols that use #6 front and #8 rear sight heights. Correct height pairing is critical for maintaining a proper point of aim/point of impact relationship.
Benefits of correct #6/#8 fitment:
Maintains a proper sight picture and consistent alignment
Reduces guesswork when replacing factory sights
Supports predictable zero behavior when installed correctly
Helps ensure the pistol “shoots to the sights” as intended
Always confirm your specific Sig model and factory sight numbers before purchase, as P-Series variations can differ by generation, slide type, and original configuration.
Daylight Brightness: Fiber Optic Advantage for Range and Training
Fiber optics excel in daylight and many indoor lighting conditions, creating a bright “pop” that’s easy to pick up quickly. This is especially useful for:
Outdoor range sessions in bright sun
Indoor ranges with mixed lighting
Fast-paced drills that demand quick sight acquisition
Shooters who prefer a more vivid sight picture than standard white dots
If you’ve ever lost a dark sight picture against a dark target, you’ll appreciate what fiber optics bring to the table.
Low-Light Confidence: Tritium Illumination When It Matters
When ambient light fades, tritium takes over—providing a self-illuminated reference that doesn’t rely on charging from light or batteries. Tritium is favored for:
Home-defense-ready setups (where legal and appropriate)
Early morning and late evening shooting conditions
Low-light training and practical carry use
Maintaining a visible aiming reference in darkness
It’s a simple advantage: your sights remain visible even when your environment isn’t.
Rugged, Duty-Ready Construction for Real Use
TruGlo TFO sights are built to handle the realities of pistol carry and training—holster wear, repeated recoil, and daily handling. A quality sight upgrade should be:
Tough enough for frequent range sessions
Stable under recoil and repeated manipulation
Visible across changing light conditions
Reliable and consistent in the sight picture
For shooters who train regularly, upgraded sights are one of the most impactful changes you can make.
Ideal For: Carry, Duty-Style Training, and Defensive Practice
The TruGlo TFO TG131ST2Y sight set is an excellent fit for:
Sig Sauer P-Series owners upgrading from factory sights
Shooters who want brighter sights than standard three-dot sets
Everyday carry and defensive-style practice (where legal)
Training drills that require fast front sight pickup
Users who want all-light visibility without electronics
If you prefer iron sights and want maximum visibility around the clock, this set is built for you.
Product Details for Search and Verification
Brand: TruGlo
Sight Type: TFO (Tritium Fiber Optic) Front & Rear Set
Front Sight: Green / Tritium / Fiber Optic
Rear Sight: Yellow / Tritium / Fiber Optic
Compatibility: Sig Sauer P-Series
Sight Height: #6 Front / #8 Rear
Part Number: TG131ST2Y
UPC: 788130020982
SEO Search Terms That Match This Product
If you’re searching for:
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TruGlo TFO Sig P-Series night sights set
…this is the exact sight set designed to match those searches.
For Sig Sauer P-Series shooters who want faster front sight focus in daylight and dependable visibility in low light, the TruGlo TFO Sight Set (TG131ST2Y) delivers a high-contrast green tritium fiber optic front paired with a yellow tritium fiber optic rear, built to the correct #6 front / #8 rear height—an all-light upgrade that enhances speed, confidence, and performance without electronics.
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