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Manufacturing match grade ammunition and other parts requires extremely tight tolerances and quality control. It is not unusual for match-grade ammunition and components to cost ten times more than comparable non-match equivalents, owing both to the increased labor expended in creation and much more rigorous testing.
The Mk 211/NM140 is graded into two accuracy classes: Class A is match grade ammunition, while Class B is ordinary linked ammunition for machine gun use. Under the international (or Norwegian) NM nomenclature, revisions are indicated by a trailing "Fn", with "F3" being the current revision as of 2020. There is also a tracer variant, the Mk 30 ...
The next year (1962) Marlin chambered their Model 62 Levermatic rifle for the new Winchester cartridge. These were the two principal firearms chambered for the .256 Win. Mag. It is now obsolete and only offered as a chambering by custom manufacturers of single-shot firearm barrels such as Match Grade Machine and Bullberry.
The match grade barrel is mounted fully floated and can be easily exchanged in the field with the help of a 5 mm hex key. There are several barrel configurations available. The Intervention barrel sports heating dispersion ribs along its length and an integrated glued on muzzle brake to reduce recoil , jump and flash.
Sub 1 minute-of-angle accuracy out to 1,000 yards (910 m) is not unusual in precision-built rifles firing match-grade ammunition. The U.S. government purchased MK 248 MOD 1 .300 Winchester Magnum match-grade ammunition in 2009 for use in adapted M24 Sniper Weapon Systems and other .300 Winchester Magnum sniper rifles like the U.S. Navy Mk.13s.
National Match front blade, match-grade hooded aperture with one-half minute adj. for windage and elevation. The Springfield Armory M1A is a semi-automatic rifle made by Springfield Armory, Inc. , beginning in 1971, based on the M14 rifle , for the civilian and law enforcement markets in the United States .
The M21 Sniper Weapon System (SWS) in the US Army is a national match grade M14 rifle, selected for accuracy, and renamed the M21 rifle. [7] The M21 uses a commercially procured 3–9× variable power telescopic sight, modified for use with the sniper rifle. [8] It is chambered for the 7.62×51mm NATO cartridge.
Several high quality large tactical and match (semi) custom bolt actions were designed for the .408 Cheyenne Tactical cartridge and were becoming available as of 2007. These semi-custom bolt actions are used with other high grade rifle and sighting components to build custom sporting and target rifles.