Blog
Ballistics, optics, firearms and ammunition. Guides and tests written in our own words — not copied from manufacturer brochures.
Astigmatism and red dot sights — why the dot falls apart
The dot in your red dot looks like a star, a comet or several dots at once. Where that comes from, how to tell whether the problem sits in your eye or in the sight, and what actually helps: brightness, dot colour, corrective lenses, prism sights and holographic sights.
MOA and MRAD — what they are and how to convert them to centimetres
MOA and MRAD are units of angle, not distance. What a minute of angle and a milliradian come to in centimetres at every range, how to convert one into the other, and how far a single turret click really moves the shot.
Zeroing a rifle — the complete guide
What zeroing actually is, how to choose the distance, how many shots a trustworthy correction takes and how to turn it into clicks. With zeroing on a range shorter than your target distance, the pointMoA targets and the ballistic calculator.