50rds - 5.56mm Magtech/CBC 77gr. OTM Ammo

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50rds - 5.56mm Magtech/CBC 77gr. OTM Ammo

  • 2 Review(s)
  • Casing Type Brass
  • Bullet Weight 77 Grain
  • Manufacturer SKU 556C
  • Muzzle Velocity 2750
  • Primer Type Boxer

This is 5.56mm Magtech/CBC 77gr. Open Tip Match Ammo. CBC has introduced this load to give performance similiar to the American MK262 load. They start with NATO-spec annealed brass with staked-in mil-spec primers, seal them with lacquer at the case mouth and the primer to ensure water resistance, and finally top them with the cannulured Sierra 77gr. MatchKing OTM bullet for superior range and terminal performance. This is a 5.56mm spec load that has sub-MOA potential. This ammo is brass cased, boxer primed, non-magnetic and non-corrosive. It comes packed in 50rd. boxes. Muzzle Velocity: Unknown.

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  • posted on by

    Great ammo and a super bargain. Was able to do some comparison shooting of 5 shot groups @ 100 yds out of my 18" White Oak Armament SDM barrel. As a benchmark, I put 5 rounds of Eagle Eye 69gr Precision Match into a 0.43 MOA group. Black Hills Mk262 Mod 1 five rounds right at 1.0 MOA. Then I put 5 rds of CBC Magtech 77gr OTM into 0.70 MOA. Outstanding consistency. I'll be stacking this stuff deep.

  • posted on by

    This ammo performs exactly as advertized, compared to Black Hills 77gr 5.56 (mk262) this ammo in the one box I chronographed is only slightly slower (15fps less peak velocity) than Black Hills out of the same gun but with a standard deviation of only 6 its very consistent. Its also just as accurate if not more so. My AR-15 shoots Mk262 at an avg of about .450, and an absolute best Ive recorded black hills out of my AR was .218". My best group with this ammo was an astonishing .187" at 100yds. However the next best was .239" the rest were hovering around .425" discounting groups with called fliers. I did just upgrade to a better trigger so I dont know if the increase in ultimate and average accuracy is the ammo or the better trigger. Either way this is very consistent ammo at a comparable price to Black Hills. I would not hesitate to use it again.

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