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The LBE Unlimited AR .308 Barrel Nut is a heavy-duty component engineered for secure barrel installation on DPMS-style .308/7.62 AR-10 upper receivers. Machined from strong 4130 chromoly steel with a phosphate finish, this barrel nut provides exceptional strength, heat resistance, and corrosion protection while ensuring precise threading and proper headspacing for reliable rifle performance.

A critical foundation piece for any .308 AR-10 build, it is compatible with standard gas blocks and delta ring assemblies and installs easily with common armorer’s tools.

Features

  • Designed for DPMS-style .308/AR10 upper receivers
  • Compatible with standard AR10 gas blocks and delta ring assemblies
  • Machined from durable 4130 chromoly steel for superior strength and heat resistance
  • Phosphate finish for excellent corrosion resistance and lubrication retention
  • Precise threading and tight tolerances for secure barrel retention
  • Easy installation with standard armorer’s tools
  • 100% Made in the USA