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250 rounds Black Hills Ammunition Factory New D556N9 - 5.56 NATO 77 Grain Sierra MatchKing OTM in 50 round boxes - Identical to the MK262 Mod1 used by U.S. Military

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Back in stock! 250 rounds Black Hills Ammunition Factory New D556N9: 5.56mm 77 Grain Sierra MatchKing Open Tip Match in 50 round boxes. Identical to the MK262 Mod1 used by U.S. Military.

New commercial packed version of the MK262 Mod1 ammunition loaded for the U.S. Military. There is no difference other than packaging between this cartridge and that supplied to the U.S. Military. Reviewing Black Hills' MK 262 Mod 1 Ammo

Black Hills produces factory new rifle ammunition equal to some of the best handloads. It is quickly becoming one of most popular manufacturers of ammunition. Used primarily by all branches of the United State military, this ammunition is also used by competitive shooters and hunters.

MatchKing rifle bullets are super-accurate bullets with very thin jackets and are held to exacting tolerances in diameter and weight. Their accuracy has been acclaimed worldwide and they have been used to win more target competitions than all target bullets from other manufacturers combined. Each bullet is designed with a very small meplat in order to achieve the highest ballistic coefficient possible. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.

"The round developed a cult following, even packed as cosmetic seconds," Hoffman said. "So last year we started offering it to the public. The only difference is the packaging-it is the exact same ammunition as is delivered to the U.S. military-loaded to the exact same specs. The guy shooting iron sights at beer cans at 100 yards probably has no reason to shoot this, but a man that has the skill and firearm to extend the range, this is his round." Jeff Hoffman from "Reviewing Black Hills' MK 262 Mod 1 Ammo"

"I spoke with a good friend with multiple combat tours in both Iraq and Afghanistan. His experiences as both a Special Forces sniper team leader and assaulter offered a unique perspective on ammo performance. As a sniper, MK 262 was his preferred round (when he was not using 7.62x51mm NATO), and he said simply, “It’s the best, most accurate round the Army has ever issued.” Shooting Times

"For folks (military personnel) shooting at 300-600+, the Mk262 Mod1 is clearly the superior choice." Dr. Gary Roberts

"The Black Hills produced Mk262 uses the 77 gr Sierra Match King (SMK) OTM and is built as premium quality ammunition intended for precise long-range semi-auto rifle shots from the Mk12 rifle. It is great for its intended purpose. Mk262 has demonstrated improved accuracy, greater effective range, and more consistent performance at all distances compared to M855 when fired from current M16, Mk12, M4, HK416, and Mk18 rifles and carbines." Dr. Gary Roberts

This ammunition is loaded with Lake City brass that has undergone factory annealing which extends brass life. As a result of the annealing process the neck portion of the brass may be discolored until the case is cleaned.

Please Note: While the 5.56x45mm NATO will fit in a .223 Remington chamber, the 5.56 is a military round that runs at higher pressures than its .223 counterpart and is not recommended to be fired in a .223 Remington chamber.

Technical Information

  • Caliber: 5.56x45mm NATO
  • Bullet Weight: 77 Grain
  • Bullet Style: Sierra MatchKing Hollow Poin
  • Case Type: Brass

Ballistics Information

  • Muzzle Velocity: 2750 fps
  • Muzzle Energy: 1293 ft. lbs.

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