Vortex Optics Viper HS 2.5-10x44 SFP 30mm Riflescope (Hashmarked Crosshair; See Photos)
The Vortex Viper HS 2.5-10x44 is a second focal plane (SFP) riflescope built on a 30mm tube with capped turrets and 1/4 MOA adjustments. Reticle appears to be a hashmarked crosshair (exact reticle variant not confirmed; see photos).
This model is set up with a 100-yard parallax and 4.0" of eye relief, with a 2.5-10x magnification range and a 44mm objective for a compact, general-purpose optic footprint.