Sig Sauer Whiskey4 2.5-10×42 SFP Hellfire Quadplex

The Sig Sauer Whiskey4 2.5-10x42 is a compact variable-power riflescope designed for hunting and field use. It pairs a 4:1 magnification range with SIG's Hellfire illuminated Quadplex reticle in a second focal plane configuration, and is built to resist fog and moisture through gas-purged construction. The scope includes a removable magnification throw lever and factory-installed flip-back lens covers for everyday field readiness.

Key Specifications

• The magnification range is 2.5-10x, offering a wide field of view at low power and usable reach at higher power.
• The objective lens measures 42mm for effective light collection in dawn and dusk conditions.
• The main tube diameter is 30mm, providing greater elevation travel and mounting options.
• The reticle is a Hellfire Illuminated Quadplex in the second focal plane.
• Reticle illumination is Yes with battery type CR-2032.
• Elevation and windage adjustments use a 1/4 MOA click value.
• The scope is specified as fog- and waterproof via gas-purged construction.
• The finish is a black matte hard-anodized exterior.
• The overall length is listed as 11.6 inches.
• The weight is listed as 32.7 ounces.

With its broad 2.5–10x range, illuminated Hellfire Quadplex reticle, and rugged 30mm chassis, the Whiskey4 is designed to serve hunters and practical shooters who need a reliable, easy-to-adjust optic in varied conditions. The combination of clear glass, LenShield/SpectraCoat lens coatings, and practical features like a removable throw lever and flip-back covers makes this scope a straightforward choice for field use where durability and quick, repeatable adjustments matter.