Surefire 5.56 x 45mm 60 Round High Capacity Magazine

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The Surefire 5.56 x 45mm 60 Round High Capacity Magazine is compatible with M4/M16/AR-15 variants and other firearms that accept standard STANAG 4179 magazines. Built with Mil-Spec hard-anodized aluminum, this mag feeds smoothly and reliably due to precision geometry, non-binding coil springs, and ingenious nesting polymer followers. The long-lasting springs are cadmium coated for low friction and superb corrosion resistance. No need for lubricants here, this can be easily disassembled without tools for cleaning. The SureFire High-Capacity magazines provide distinct tactical advantages: increased initial firepower in ambush situations; fewer reloads overall, which means less downtime and target distraction in a firefight; fast and easy magazine insertion, even with a closed bolt; less bulk compared to drum mags, enabling a normal weapon grip.


  • Packs twice the ammo for twice the fighting power
  • Slim profile is thinner than two clipped-together 30-round magazines
  • Fits in most dual magazine pouches
  • Only 1.66 inches thick, less than two 30-round magazines clipped together
  • Sixty-round magazine is approximately the same length as two 30-round magazines clipped together
  • Compatible with all weapons that accept standard STANAG 4179-compliant magazines
  • Reliable function due to mechanical simplicity and high-quality non-binding coil springs and nesting polymer followers — no lubricants required
  • Long-lasting, cadmium-coated springs for low friction and excellent corrosion resistance
  • Magazine easily seats in weapon with bolt forward
  • May be kept fully loaded for extended periods without spring fatigue


      • Length: 8.7 inches
      • Width: 1.66 inches
      • Weight Empty: 6.4 ounces
      • Weight Loaded: 2.0 pounds
      • Caliber: 5.56 NATO / .223 Remington
      • Box Construction: Aluminum
      • Mil-Spec Hard Anodized Fiish
      • Nylon Followers