HOP Munitions, a leader in high-performance ammunition, is thrilled to announce the launch of its 62-grain Solid Copper 5.56 REX (Rapid EXpanding) ammunition. Precision-engineered for hunters who demand maximum performance from their AR-15s, this new round sets a new standard for ethical and effective hog hunting.

At the core of this cutting-edge cartridge is a solid copper projectile designed to deliver unparalleled penetration and controlled expansion. With a muzzle velocity of 2,870 fps and an impressive 1,134 ft/lbs of energy, this ammo ensures devastating on-target results. A .300 ballistic coefficient and sectional density of .177 provide exceptional accuracy and stability, making it ideal for close-range and extended-range shots.

Whether you’re clearing feral hogs from farmland or chasing a trophy boar in rugged terrain, the 5.56 REX gives you the edge you need. This round is engineered to deliver consistent, lethal performance while maintaining the precision hunters expect from HOP Munitions products.

Key Features of the 5.56 62-Grain Solid Copper REX

Caliber: 5.56 NATO

Grain Weight: 62

Bullet Type: Solid Copper REX (Rapid EXpanding)

Muzzle Velocity: 2,870 fps

Muzzle Energy: 1,134 ft/lbs

Ballistic Coefficient: .300

Sectional Density: .177

Packaging: Convenient 50-round boxes

Designed with hunters in mind, this ammo’s solid copper construction ensures lead-free compliance, making it environmentally friendly without sacrificing power or performance. Its rapid-expansion design minimizes over-penetration, ensuring a clean, ethical kill with every shot.

Optimized for AR-15 Platforms

Perfectly tuned for AR-15 rifles, the 5.56 REX offers smooth cycling and reliable feeding. Its lightweight 62-grain bullet delivers the flat trajectory needed for fast follow-ups and accurate shots, even under challenging conditions.

Now Available

The 5.56 62-grain Solid Copper REX is now available in 50-round boxes. Whether you’re a seasoned hunter or preparing for your first hog hunt, this round ensures you have the ultimate tool for success.

Building on the legendary performance of the MK318—known as the “Silver Bullet” and trusted by the USMC—our 5.56 62-grain Solid Copper REX (Rapid EXpanding) ammo represents the next evolution in precision and stopping power. Designed to surpass the capabilities of its predecessor, this advanced round delivers the perfect balance of accuracy, energy transfer, and controlled expansion, making it the ultimate choice for your next coyote hunt or hog hunt.

With a blistering velocity of 2,870 fps and an impressive energy transfer of 1,134 ft/lbs, the REX boasts an impressive ballistic coefficient of .300 and a sectional density of .177 to ensure deep penetration and devastating knockdown power.

Made with premium primers, powders, and US-made brass, this next-generation “Silver Bullet” is designed to outperform traditional hollow-point bullets. Packaged in boxes of 50, the 62-grain Solid Copper REX sets a new standard in hunting ammunition, delivering uncompromising performance every time you pull the trigger.

Specs

  • Caliber: 5.56
  • Grain Weight: 62
  • Bullet Type: Solid Copper REX (Rapid EXpanding)
  • Muzzle Velocity: 2,870 fps
  • Muzzle Energy: 1,134 ft/lbs
  • Ballistic Coefficient: .300
  • Sectional Density: .177
  • Package Quantity: 50

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