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Gun Engineer AR-15 Barrel Nut – Steel Torque-Ready, Nitride Coated

Engineered for reliable barrel retention, this AR-15 barrel nut provides consistent torque application and alignment stability. CNC-machined from hardened steel with anti-gall coating. Manufactured to exact specs by Gun Engineer Malaysia.

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Foundation of Barrel Integrity

The Gun Engineer Barrel Nut establishes the critical interface between your AR-15 barrel and receiver, delivering uncompromised structural integrity for long-term accuracy. Designed for professional armorers and builders, its precision-ground internal surfaces distribute clamp forces evenly across the barrel extension, preventing stress concentration points that cause zero shift during rapid-fire sequences.

Forged from heat-treated Chromoly steel and finished with military-grade nitride coating, this component withstands repeated torque applications and aggressive environmental exposure without thread degradation.

Critical Engineering Features:

  • Torque-Tolerant Steel Construction – AISI 4140 Chromoly withstands 100+ ft-lb applications
  • Anti-Galling Treatment – Diamond-like carbon coating eliminates thread galling
  • Precision Timing Notches – Indexed engagement system for handguard alignment
  • Thermal Stress Relief – Vacuum-sealed tempering eliminates material fatigue risks
  • Mil-Spec Thread Pitch – 1.375″-24 TPI universal receiver compatibility
  • Double-Lip Sealing Surface – Creates hydraulic lock with receiver face

Technical Specifications

Parameter Value
Material AISI 4140 Chromoly Steel
Surface Treatment QPQ Nitride Coating
Thread Pitch 1.375″-24 TPI (Mil-Spec)
Hex Size 1.25″ Armorer’s Wrench
Torque Range 35-80 ft-lbs
Weight 3.7 oz (105 g)
Diameter 1.375″
Compatibility AR-15/M16 Platforms
Country of Origin Malaysia

Manufactured in Malaysia by Gun Engineer, ensuring precision and reliability.

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