SIONICS Bolt Assembly - HP/MP Tested - NP3 Coated View larger

SIONICS Bolt Assembly - HP/MP Tested - NP3 Coated

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Our bolt assemblies are manufactured from Carpenter 158® Steel.  Each bolt is shot peened and comes with a heavy extractor spring, black spring insert and Mil-Spec O-Ring.  Every  bolt is 100% High Pressure tested and Magnetic Particle inspected. The bolt is NP3 Coated.

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Our bolt assemblies are manufactured from Carpenter 158® Steel.  Each bolt is shot peened and comes with a Sprinco heavy extractor spring, and black spring insert.  Every bolt is 100% High Pressure tested and Magnetic Particle inspected.

  • Mils-Spec Carpenter No.158® Steel
  • HPT Bolt (High Pressure Test / Proof)
  • MPI Bolt (Magnetic Particle Inspected)
  • Shot Peened Bolt
  • Tool Steel Extractor
  • Sprinco 5-Coil Heavy Duty Extractor Spring
  • Black Extractor Insert

The bolt body, extractor, and ejector are coated with NP3.

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SIONICS Bolt Assembly - HP/MP Tested - NP3 Coated

SIONICS Bolt Assembly - HP/MP Tested - NP3 Coated

Our bolt assemblies are manufactured from Carpenter 158® Steel.  Each bolt is shot peened and comes with a heavy extractor spring, black spring insert and Mil-Spec O-Ring.  Every  bolt is 100% High Pressure tested and Magnetic Particle inspected. The bolt is NP3 Coated.