Black Hills 5.56mm NATO MK262 Mod 1-C 77 Grain Open Tip Match (OTM) Ammo in Ammo Can, 460 Rounds Overview: Black Hills 5.56mm NATO MK262 Mod 1-C is widely regarded as the gold standard of 5.56A-45mm ammunition. This is the same 77-grain Open Tip Match load supplied to the U.S. military, packaged for civilian purchase in military-issue 20-round brown boxes and secured inside a rugged 30-caliber metal ammo can. Built for shooters who demand exceptional accuracy and long-range performance, MK262 Mod 1-C has earned its reputation through real-world use and match-winning precision. Key Features: MK262 Mod 1-C Load: Identical ammunition supplied to U.S. military units Sierra Open Tip Match Bullet: 77-grain OTM projectile designed for superior accuracy and ballistic consistency Long-Range Performance: Optimized for precision shooting at extended distances Military Ammo Can Packaging: Delivered in a sealed 30-cal metal ammo can for secure storage Black Hills Ammunition Quality: Manufactured to extremely tight tolerances for professional-grade performance Specifications: Caliber: 5.56A-45mm NATO Bullet Weight: 77 grain Bullet Type: Open Tip Match (OTM) Muzzle Velocity: 2750 fps (20" test barrel) Muzzle Energy: 1293 ft-lbs Case Material: Brass Primer Type: Boxer Total Quantity: 460 rounds Packaging: Military 20-round boxes in metal 30-cal ammo can Applications: Precision Rifle Shooting: Ideal for accuracy-focused AR-15 and duty rifle setups Long-Range Engagements: Designed for shooters extending the effective range of 5.56 NATO Professional & Tactical Use: Trusted by military and experienced marksmen Advanced Training: Excellent for validating rifle, optic, and shooter capability Additional Features: High Ballistic Consistency: Tight bullet jacket tolerances improve accuracy and repeatability Optimized Twist Rate: Best performance in rifles with 1:8 twist or faster Cult-Status Performance: One of the most respected and proven 5.56 NATO loads ever produced Note: While the 5.56x45mm 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. MPN: MP460556N9UPC: 612710135752