

The Sightron S‑TAC 1‑4.5x24 SR1 is a short to medium range scope built to deliver speed, clarity, and reliable performance in dynamic shooting.
Its 1-4.5x magnification allows fast target acquisition at close range while maintaining precision at medium distances.
The 24 mm objective ensures good brightness, and the SR1 second focal plane reticle provides consistent reference points at any magnification.
With a robust 30 mm tube, precise adjustments, and dependable tracking, it is an excellent choice for Service Rifle competition and tactical applications.
Meets waterproof, shockproof, and fog-resistant requirements for long-term use.
The Sightron S‑TAC 1‑4.5x24 SR1 is a short‑to‑mid‑range riflescope engineered for speed, clarity and dependable performance in dynamic shooting and CMP Service Rifle competition and NRA.
At the core of this optic is a high‑quality optical system built with Japanese optical‑grade glass, delivering a bright, sharp and distortion‑free image across the entire field of view.
Enhanced with Sightron’s advanced multi‑coating technology, the S‑TAC 1‑4.5x24 provides excellent light transmission, improved contrast and accurate color reproduction in a wide range of lighting conditions.
The SR1 reticle, positioned in the second focal plane, maintains a consistent visual size at all magnifications. Designed with competition use in mind, it offers clean, uncluttered reference points for fast and precise target engagement.
The optical engineering ensures a crisp, high‑contrast sight picture ideal for competition stages, dynamic shooting and general‑purpose tactical applications.
The robust 30 mm one‑piece aluminum tube is built for durability and stability, tested to withstand recoil and harsh field environments.
It meets waterproof, shockproof and fogproof standards, with nitrogen charging to prevent internal fogging during sudden temperature changes.
The Sightron S‑TAC 1‑4.5x24 SR1 is the ideal choice for shooters seeking speed, precision, and reliability in a compact and competition‑ready LPVO platform.

Optical Design
The S‑TAC 1‑4.5x24 features a fast‑acquisition optical system optimized for clarity, contrast and color fidelity. Its multi‑coated lenses ensure strong performance in bright sunlight, wooded terrain or low‑light conditions.
Designed For Competion
Ideal for CMP Service Rifle and NRA High Power Rifle Competition Use
Second Focal Plane Reticle
The SR1 reticle is placed in the second focal plane, keeping a constant visual size throughout the magnification range. Designed for Service Rifle competition, it provides clean and intuitive aiming references without unnecessary clutter.
Magnification System
The 1‑4.5x zoom range allows rapid transitions from close‑range engagement to precise shots at medium distances, making it ideal for dynamic shooting scenarios.
Multicoating Technology
Sightron’s multi‑coating reduces glare and chromatic aberration while maximizing light transmission, ensuring a bright, high‑contrast image even in challenging lighting.
ExacTrack Accuracy
Sightron’s ExacTrack erector system guarantees consistent, repeatable, and drift‑free adjustments. The S‑TAC 1‑4.5x24 offers precise windage and elevation tracking for reliable performance in competition.
Scope Construction
The 30 mm one‑piece aluminum tube provides excellent strength and stability. Waterproof, shockproof and nitrogen‑charged, the S‑TAC is built for long‑term use in demanding environments.

Understanding the SR1 Reticle:
The SR1 reticle was designed with NRA and CMP competition shooter's needs in mind.
The clean reticle features 1 MOA horizontal stadia lines to assist with windage and holdover as well as assisting in keeping the scope level.
There is also a lower 1 MOA stadia line, pointing up to a 9 MOA circle with a 1/2 MOA aiming dot.
The Sightron S‑TAC 1‑4.5x24 package includes:
Sightron Precision Optics
Sightron continues to deliver high‑performance optical solutions for hunting, competition, and tactical shooting. Designed and tested by shooters, their products offer exceptional clarity, precision, and durability. Explore the Sightron lineup at Mundilar and elevate your shooting performance.
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| Lens | 24 mm |
| Tube diameter | 34 mm |
| Magnification | 1-4.5x |
| Click Value | 1/4 MOA |
| Max Elevation Adjustment | 100 MOA |
| Max Horizontal Adjustment | 60 MOA |
| Eye Relief | 9.652 cm - 9.652 cm |
| Field of View | 33.5 - 7.7 m @100 m |
| Reticle | SR1 |
| Focal Plane | Second Focal Plane |
| Illuminated Reticle | Yes – 11 Intensity Levels |
| Parallax | Parallax Free (137.2 Meters) |
| Parallax Wheel | Yes |
| Material | Aluminnium |
| Finish | Mate |
| Water Resistant | Yes |
| Shock Resistant | Yes |
| Fog Resistant | Yes |
| Product Total Lenght | 26.2 cm |
| Product Total Weight | 589.7 g |
| Included | Cleaning Cloth |
| Country of Development | USA |
| UPC | 793139260215 |
| Additional References | S-TAC1-4.5X24 |