Sentinel-X Pro 10-40x50 (SCOL-58)

The Sentinel-X Pro 10-40x50 (model SCOL-58) from Vector Optics is a riflescope intended for benchrest shooting and long-range applications. It provides a wide magnification range for precise aiming at small targets and fine adjustments at distance.

Key specifications include a 10–40x magnification range and a 50 mm objective lens mounted on a 30 mm tube made of 6061-T6 aluminum with a matte black finish. The reticle is the COM-25M, designed for 25 m benchrest use; the center dot measures 1.5 mm and corresponds to a 2 mm bullseye at 40x. The reticle sits in the second focal plane (SFP). Side focus/parallax adjustment covers 10 yards (~9 m) to infinity. The scope features a 1/8" zero-stop and turrets with 1/8 MOA click value; elevation and windage adjustment ranges are 50 MOA each. Eyepiece diopter adjustment ranges from -2 to +1.5.

Illumination offers 11 levels and the specified battery type is CR2032. The scope is nitrogen-filled (fogproof), rated IPX4 for splash resistance and rated shockproof to 750 G. Field of view is 3.4–0.87 m @100 m (angular 1.95–0.5°). Length 409 mm and weight 792 g.

The manufacturer's package list includes a user manual, plastic wrench, cleaning cloth, flip-up caps, hex keys and a sunshade among other listed items. Mounting rings or bases are not listed and should be purchased separately if required. Also check whether the CR2032 battery is supplied with the unit, as the specification only states the battery type.

Vector Optics lists compatible examples such as CZ 457, Tikka T1x/T3/T3x, Remington 700/783, Sako, Anschutz, Howa, FX Impact M3/MKII, AirForce Texan, Accuracy International, Cadex, Sako TRG, Steyr, etc. Confirm weapon and mount fit before purchase.