Aero Precision Receiver Extension Lock Nut, Black

Aero Precision Receiver Extension Lock Nut Features Constructed from high-strength steel the Aero Precision lock nut is heat-treated and coated for long-term corrosion resistance. It is compatible with standard MIL-SPEC carbine buffer tubes and is designed for use with standard armorer's tools. This component is a must-have for secure stable stock or brace setups on AR-pattern rifles and pistols. Whether you re completing a new rifle build or replacing worn parts this lock nut delivers the precision fit and rugged reliability Aero Precision is known for across its product line. Aero Precision Receiver Extension Lock Nut Specifications Manufacturer: Aero Precision Model: Receiver Extension Lock Nut Caliber: N/A (Rifle Component) Type: Castle Nut / Lock Nut Compatibility: AR-15 / AR-10 Platforms Material: Heat-Treated Steel Finish: Corrosion-Resistant Coating Spec: MIL-SPEC Tool Compatibility: Standard Armorer's Wrench Application: Secures Buffer Tube to Lower Receiver