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  2. AR-15 UPPER AND LOWER PARTS
  3. AR-15 UPPER PARTS
  4. BOLT ASSEMBLIES & PARTS
  5. 5.56 Melonite QPQ Bolt Assembly
5.56 Melonite QPQ Bolt Assembly
5.56 Melonite QPQ Bolt Assembly

5.56 Melonite QPQ Bolt Assembly

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On sale $59.99 $54.99
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Part Number: 160511
Availability: In Stock
5.56 Complete Melonite QPQ Bolt Assembly

  • Bolt body produced from AISI 9310 VAR (Vacuum Arc Remelt), the highest standard bolt material made
    • Melonite
  • HTP/MPI test, our material is checked prior to machining by our supplier of 9310
  • Machined completely in one operation; this eliminates tolerance and repeatability issues that arise from multiple fixturing processes used by other manufacturers
  • Enhanced Design for utmost reliability
  • Tightly controlled proprietary heat treat process to accurately control cast depth and core hardness
  • NSCW Crane Division extractor upgraded with Viton® O-ring, 5 coil spring, and plunger
  • Extractor produced from MIL-S-5000 Steel
    • Extractor Produced from MIL-S-5000 Steel
    • Vacuum Hardened
    • Phosphate
    • Machined

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