MOA vs MRAD: Which Should UK Shooters Choose?

The MOA-versus-MRAD debate has run for decades, but for UK shooters the answer is increasingly clear-cut — and it hinges on how you actually use your turrets and reticle in the field. Both systems are simply angular measurements: one Minute of Angle (MOA) subtends approximately 1.047 inches at 100 yards (roughly 29 mm at 100 metres), while one milliradian (MRAD or mil) subtends exactly 10 cm at 100 metres. Neither is inherently more accurate; the difference lies in granularity, the maths you do under pressure, and what the rest of your shooting community is using.

In the UK, where most centrefire ranges are marked in metres and ballistic data from Strelok, Applied Ballistics, and similar apps defaults to metric, MRAD has become the dominant choice among precision-rifle, PRS, and tactical shooters. Its base-10 relationship with the metric system — 0.1 mil clicks move your point of impact 1 cm at 100 m — makes corrections almost effortless. MOA still has a loyal following, particularly among stalkers, benchrest shooters, and those with US-sourced optics calibrated in quarter-MOA clicks. Understanding both systems ensures you buy the right scope and avoid a frustrating mismatch between your reticle and your turrets.

Below, we break down the practical differences, highlight the scenarios where each system shines for UK disciplines, and answer the questions our readers ask most often.

Buying Advice

The single most important rule when choosing a scope is to match your reticle and turret units. An MRAD reticle paired with MOA turrets — or vice versa — forces you to convert on the fly, which wastes time and invites errors. Every reputable manufacturer now offers matched configurations, so there is no reason to accept a mismatch. If you are buying your first precision scope, go MRAD-reticle with 0.1-mil clicks; if you already own a quality MOA scope and have your DOPE charts built around it, there is nothing wrong with staying in that system.

Consider your shooting discipline. For PRS, NRL, and any UK club competition shot at metric distances, MRAD is the practical default — your spotting partner will call corrections in mils, and your ballistic solver will output mils. For deer stalking, where shots are seldom dialled and most corrections happen inside the reticle at relatively short range, either system works, but many UK stalkers appreciate the finer 0.25-MOA click (roughly 0.7 cm at 100 m) for precise zeroing. For sub-12 ft-lb air rifles, which are only effective out to around 50–75 yards, the choice barely matters; a simple duplex or mil-dot reticle at second focal plane is more than adequate.

Finally, pay attention to features that matter regardless of angular unit: a reliable zero-stop so you can return to your confirmed zero without counting clicks, a first-focal-plane (FFP) reticle if you dial and hold at varied magnifications, quality glass with minimal parallax error, and turrets with positive, repeatable tracking. Test turret repeatability with a tall-target or box test before trusting any scope on a live-fire detail. A scope that tracks honestly in either MOA or MRAD will always outperform one that drifts, no matter which measurement system it claims to use.