By Peter Makulek · Senior Optics Editor · · Live prices from UK retailers
Precision Rifle Series (PRS) and practical long-range competitions have exploded in the UK over the past five years. Unlike static benchrest, PRS stages mix positional shooting, unknown distances, and time pressure — demanding a scope that tracks reliably, returns to zero, and stays usable from 1× to full magnification in a hurry.
The gold standard for UK PRS competition is a 34mm or 35mm tube FFP scope in the 5–25× or 6–24× range, with an MRAD reticle and MRAD turrets, audible 0.1 mil clicks, and a genuine mechanical zero-stop. Brands like Nightforce (ATACR, NX8), Vortex (Razor HD Gen III), Kahles (K525i), and March are dominant at the top level. The UK mid-market around £600–£1,200 is well served by the Vortex Viper PST Gen II, Athlon Cronus BTR, and Hawke Frontier offerings.

via Optics Warehouse
£94.95

via Optics Warehouse
£112.49

via Livens
£119.00
Tracking consistency is non-negotiable for PRS. Before buying, look for independent tracking tests — a scope that tracks 10 mils up and 10 mils back should return to the exact same zero. Budget scopes often show shift under sustained recoil or after large elevation changes.
Don't overlook parallax adjustment speed. PRS stages can have targets from 100 to 800+ yards on the same stage; a stiff or imprecise parallax ring will cost you seconds. Side-focus (parallax on the left turret) is almost universal on modern competition scopes.
At the top level of UK PRS, Nightforce ATACR 5–25×56 and Vortex Razor HD Gen III 6–36×56 are most common. In the mid-range budget bracket, the Vortex Viper PST Gen II 5–25×50 and Athlon Cronus BTR are popular choices offering solid tracking at under £1,000.
MRAD (mil) is the dominant standard in UK PRS competition because the metric-friendly math (0.1 mil = 1 cm at 100 m) is fast under time pressure. MOA is mathematically compatible but less common in the UK field. Whichever you choose, ensure your reticle and turrets are the same unit — mixing mil reticle with MOA turrets is a source of errors.
Most UK PRS stages set targets from 200 to 1,000 yards, with some exceeding that. A 5–25× or 6–24× scope covers this range well. Higher magnification (up to 36×) helps on steel at long range but adds weight and cost. Many top competitors prefer a 6–24× as the best balance of field of view and resolution.
A 30mm tube is sufficient for recreational PRS and most club-level competition. The advantages of 34mm or 35mm tubes — greater elevation travel and potentially more robust turret mechanisms — become meaningful at the national competition level where shooters regularly dial 10+ mils of elevation.
A zero-stop is a mechanical limit in the elevation turret that prevents you from dialling below your zero. In PRS, you dial up for long range then dial back to zero between stages. A zero-stop means you can spin the turret down without counting clicks — essential for fast stage transitions under time pressure.
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