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Expensive and well-machined match-grade pistols demonstrate a higher accuracy than normal handguns, capable of groupings of 1.25 inches at 25 yards, which is about 5 MOA (equivalent to about 30 mm at 25 meters, which is 1.2 mil). [10]
For 5-shot groups, based on 95% confidence, a rifle that normally shoots 1 MOA can be expected to shoot groups between 0.58 MOA and 1.47 MOA, although the majority of these groups will be under 1 MOA. What this means in practice is if a rifle that shoots 1-inch groups on average at 100 yards shoots a group measuring 0.7 inches followed by a ...
Groups for rifles are traditionally shot at either 100 meters or 100 yards (91 m). At 100 yd a minute of arc equals 1.047 inches (26.6 mm), and the one MOA group (approximately 1/3 or 0.3 mil) is a traditional benchmark of accuracy. Handguns are generally used at closer ranges, and are tested for accuracy at their intended range of use.
For example, a rifle capable of firing a ½ or 0.5 MOA (approximately 0.5 inch center to center of the two holes furthest apart) 5-round group (often referred to as "grouping") at 100 yards will theoretically fire a 12.5 inch group at 2,500 yards (0.5 × 2,500/100 = 12.5). Unless the group is centered perfectly on the target at 100 yards, the ...
Conversion of various sight adjustment increment Increment, or click (mins of arc) (milli-radians) At 100 m At 100 yd ()()()()1 ⁄ 12 ′ : 0.083′ 0.024 mrad 2.42 mm
Changes to the rifle include cutting back the fixed stock and integrating a folding adjustable stock, a Desert Tan finish color, and a front loading quick change barrel for caliber change. As of 2011, the only barrel and caliber offered was a 24.5 in (620 mm) fluted barrel with a 1:10" right hand twist chambered for .338 Lapua Magnum. [5] [6] [7]
Each group is described by the minimum diameter circle perpendicular to the axis of bullet movement including the impact point of all bullets in that group. [1] A firearm consistently placing bullets within a 1 inch (25 mm) diameter circle on a target 100 yards (91 m) from the muzzle might be described as capable of 1-inch groups at 100 yards.
The .204 Ruger has proven to be a very accurate and efficient cartridge: an early tester reported 1/2 MOA groups at 100 yards (91 m) with the Hornady loads and a Ruger No. 1 varmint rifle. The first cartridge in the family, the .222 Remington, was a top benchrest shooting cartridge for many years after its introduction.