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Spike's Tactical Lightweight M16 Bolt Carrier Group, Nickel Boron Coated Inside/Out, ST5BG05

SKU: FLX-SPKST5BG05

Regular price $239.98
Sale price $239.98 Regular price $250.00
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Product Description

The Spike's Tactical Lightweight M16 Bolt Carrier Group (BCG) is a critical upgrade for AR-pattern builds where reliability and reduced reciprocating mass matter. Finished with a Nickel Boron coating on the bolt, carrier, and gas key, this complete BCG is designed for smoother cycling and easier cleanup. The lightweight, reduced-mass design features machining cuts to help trim weight, and it is laser engraved with the Spike’s Tactical “ST” spider logo for quick identification.

Product Highlights

  • Nickel Boron coating inside and out (bolt, carrier, and gas key) for enhanced lubricity and easier cleaning
  • Lightweight, reduced-mass design with weight-reduction machining cuts
  • M16 profile bolt carrier group for AR-pattern rifles (does not convert an AR-15 to full auto)
  • High pressure tested (HPT) and magnetic particle inspected (MPI) bolt for added confidence
  • Laser engraved with the Spike’s Tactical ST spider logo

Specs

  • Brand: Spike's Tactical
  • Manufacturer Part Number: ST5BG05
  • UPC: 855319005518
  • Type: Complete bolt carrier group (BCG)
  • Profile: M16
  • Finish/Coating: Nickel Boron (bolt, carrier, and gas key)
  • Testing: HPT/MPI bolt
  • Bolt Material: Carpenter 158 steel
  • Carrier/Gas Key Material: 8620 tool steel
  • Weight: 10.5 oz
  • Fitment (as listed): .223 Rem / 5.56 NATO / .300 Blackout

Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product’s manufacturer.

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