Sightron has a new low-power variable optic in their S-Tac lineup. The new 1-6×24 IR AR1 is a second focal plane scope with a 30mm main tube. It also features an illuminated reticle. More Optics Articles @ TFB: Introducing the SIGHTRON S-TAC 1-4.5×24 SR1 LPVO [Read More…]