The Meprolight ML63115 Fiber-Tritium Bullseye is a low-profile optical sight designed for Sig Sauer P-Frame pistols. It combines fiber-optic and tritium illumination to present an illuminated dot and circle bullseye for intuitive, fast target acquisition without batteries. The sight installs on existing pistol dovetails and is intended to eliminate the need for a conventional front sight, while fitting most existing holsters. Manufacturer materials state the sight provides nighttime illumination guaranteed for 12 years.
Key Specifications
- Model: ML63115 by Meprolight.
- Compatibility: Sig Sauer P-Frames.
- Illumination type: fiber-optic and tritium combination.
- Design: low-profile optical sight providing a dot-and-circle bullseye aim point.
- Mounting: installs on existing pistol dovetails.
- Front sight: no front sight needed when using this unit as described by the manufacturer.
- Power: no batteries — always on without switches.
- Nighttime illumination rating: 12 years (manufacturer stated).
- Holster compatibility: fits most existing holsters per manufacturer guidance.
- Manufacturer-listed weight: 0.105 (unit not specified by manufacturer).
Compact and straightforward, the ML63115 provides a simple, always-on aiming solution for shooters who prefer a low-profile optical option. Its fiber-tritium system supports rapid sight acquisition in varied lighting without relying on batteries, and the dovetail installation keeps fitment familiar for many standard holsters and pistol setups. For users seeking consistent, low-maintenance illumination for everyday carry or range use, this sight presents a practical, purpose-built alternative to conventional iron front sights.
