Sightron SIII PLR 8-32x56 ZStop IR MH-5 Long Range Riflescope

The Sightron SIII PLR 8-32x56 ZStop IR long-range riflescope brings precision-grade optics to hunters and target shooters who demand accuracy without the premium price tag. Built on Sightron's Precision Long Range platform, this 30mm scope combines a robust zero-stop system, tactical-grade adjustments, and second focal plane optics in a package engineered for extended-range work from the field to the range. Whether you're dialing in shots at distance or hunting from unpredictable positions, the SIII PLR handles the task with confidence.

The standout feature here is the internal zero-stop mechanism—a tactile, audible positive stop that locks your elevation turret dead-on at true zero, eliminating the guesswork when you're resetting after ranging adjustments. The 8-32x magnification range gives you low-power situational awareness for closer work and high-end clarity for distant targets, while the 56mm objective gathers plenty of light in marginal conditions. With 70 MOA of travel in both windage and elevation, you've got room to work with even extreme distance or environmental calls.

Construction is purpose-built: 30mm tube diameter, IPX7 waterproof rating, and nitrogen-filled to prevent fogging. The large oversized tactical knobs (20 MOA per revolution, ¼ MOA clicks) respond in any weather, and the side-focus system delivers a 30-yard minimum focus distance. Sightron's Zact-7 Revcoat Plus multi-coating maximizes light transmission for sharp, clear glass, and the illuminated MH-5 IR reticle (second focal plane) works via an 11-position side-mounted dial powered by a CR2032 battery. The package includes the scope, 3-inch sunshade, lens caps, battery, and adjustment tools.

If you hunt or shoot at distance and want reliable, repeatable adjustments without cutting into your budget for a top-tier name, the SIII PLR 8-32x56 delivers where it counts.

Key Features

• Internal zero-stop mechanism for positive, repeatable zero returns
• 8-32x magnification with 56mm objective for long-range clarity and light gathering
• 70 MOA elevation and windage adjustment for extended-distance shooting
• Tactical turrets with ¼ MOA clicks and 20 MOA per revolution
• Illuminated MH-5 IR reticle in second focal plane; 11-position brightness dial
• IPX7 waterproof and nitrogen-purged; satin black finish with high-visibility markings
• Side-focus parallax adjustment (30 yards to infinity)
• Includes sunshade, flip-up lens covers, battery, and adjustment tools

Specifications

Frequently Asked Questions

What magnification range is best for long-range hunting and precision shooting?

The 8–32x range on the SIII PLR balances versatility: the 8x end is low enough for field scanning and closer targets, while 32x delivers the clarity and precision needed for distant shots. With a 56mm objective, you're pulling enough light to maintain image quality across the whole range, even in dim conditions.

What does the zero-stop mechanism do, and how does it help in the field?

The internal zero-stop is a positive mechanical lock at your true zero. After you dial for distance, wind, or elevation, you can return to zero by spinning the elevation turret until you feel and hear the audible click at the stop—no guessing, no creeping past. It saves time and eliminates doubt, especially during long sessions or when switching between distance holds.

What's included in the box?

The package includes the scope itself, a 3-inch sunshade, flip-up lens covers, a CR2032 battery for the illuminated reticle, and a Torx key and Allen wrench for turret and zero-stop adjustments.

Is this scope suitable for use in wet or cold conditions?

Yes. The SIII PLR is IPX7 waterproof-rated and nitrogen-purged to prevent fogging, so it performs reliably in rain, snow, and temperature swings. The large tactical turrets are designed to operate in harsh weather without loss of responsiveness.