Catalog

KEY-701

The KEY-701 Castle Nut is a precision-machined component designed to secure the buffer tube assembly on AR15 platforms. Made from durable 1040 steel, it provides a reliable fit with all standard buffer tubes and ensures long-lasting performance under repeated use.

Colors

Usage Area: AR-15

Key Features

  • Universal Fit: Compatible with all standard AR15 buffer tubes.
  • Durable Construction: Manufactured from high-strength 1040 steel for excellent wear resistance.
  • Secure Locking: Ensures a tight and stable connection within the buffer assembly.

Technical Specifications

  • Material: 1040 Steel
  • Weight: 0.016 kg
Categories : AR Upgrades, Assembly