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Phase 5 41V50 7.5" 5.56 NATO Pistol Barrel with Electroless Nickel M4 Extension

Phase 5™ introduces the AR type Pistol Barrel in 7.5". This precision air-gauged barrel is heat-treated fully then thermo-stress-relieved for optimum durability and performance. We have assembled these barrels with precision ground Electroless Nickel (EN) coated extensions with Mil-Spec M4 feed ramps for best performance.

Chambered for 5.56mm NATO round
Threading: Mil-Spec ½ x 28

1:7 Twist

  • Electroless nickel coated extension - Extensions are precision-ground for maximum accuracy then EN coated for superior wear resistance and extended use.

  • Mil-Spec manganese phosphate finish - Classic finish helps prevent rust, adds visual appeal and ensures aesthetic compatibility with a wide range of weapons.

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