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Spikes Tactical ST5B503 AR-15 Bolt 5.56 HPT/MPI Bolt Assembly - Nickel Boron Finish - ST5B503

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MSRP: $89.95
$80.96

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SKU: 15630 Category:
Description

A high quality bolt is a must in any AR-15. Whether you need a spare bolt or are looking to upgrade an existing rifle, look no further. This is the same bolt we use in our builds.

Mil Spec Bolt

Features:

  • Phosphate and Nickel Boron Finish
  • 158 Carpenter Steel
  • Shot Peened
  • High Pressure Tested (HPT)
  • Magnetic Particle Inspected (MPI)

Mil Spec Extractor:

  • 8620 Tool Steel
  • Phosphate and Nickel Boron Finish
  • Extractor Spring
  • Black Extractor Insert
  • Viton O-Ring
  • Weight: 1.53oz
Weight 1.53 oz
Bolt Material

8620 Steel
Cartridge Compatibility

.223/5.56 NATO/.300 BLK
Finish

Nickel Boron
Carrier Profile

Other
High Pressure Tested

HP Tested
Magnetic Particle Inspected

Magnetic Partical Inspected
Platform

AR-15
Bolt Finish

Nickel Boron
MPN ST5B503
UPC 855319005488
Warning: Cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov