A thermal scope holds zero on a hard-kicking rifle when it's mounted to the correct torque on a solid base — not just bolted on by feel. Thermal optics carry electronics and often a heavier objective bell than a day scope, so under recoil they put real stress on the...

Picatinny, Weaver and dovetail are three different rail standards, and they are not freely interchangeable. The short version: a Picatinny rail has wider, square-bottomed locking slots (5.23 mm) on a fixed 10 mm spacing; a Weaver rail has narrower slots (4.57 mm) with no standard spacing; and rimfire/airgun dovetails are an angled rail...

A HIKMICRO Stellar 3.0 mounts like a quality day scope — standard 30 mm rings, no adapters, no surprises. Which is exactly why it's worth doing properly: most "my thermal won't hold zero" stories trace back to the mounting job, not the scope. This is the full sequence we'd use on any...

Pick up a Pulsar Thermion 2 and a Trail 3 and you're holding two answers to the same question: how should a thermal scope attach to a rifle? The Thermion 2 is a classic 30 mm tube that drops into ordinary scope rings; the Trail 3 is a monoblock that bolts to a rail through...