Assertion: sniper's position | /r/AtLocation | equal elevation
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text: The calculation assumes a flat-fire scenario (a situation where the shooting and target positions are at equal elevation), utilizing British military custom high-pressure .338 Lapua Magnum cartridges, loaded with 16.2 g (250 gr) Lapua LockBase B408 bullets, fired at 936 m/s (3,071 ft/s) muzzle velocity under the following on-site (average) atmospheric conditions: barometric pressure: 1,019 hPa (30.1 inHg) at sea-level equivalent or 899 hPa (26.5 inHg) on-site, humidity: 25.9%, and temperature: 15 °C (59 °F) in the region for November 2009, resulting in an air density ρ = 1.0854 kg/m3 at the 1,043 m (3,422 ft) elevation of Musa Qala.