Spikes ST5BG03 Bolt Carrier Group 223 Rem,5.56x45mm NATO Nickel Boron Steel AR-15, M16 Full Auto


Elevate your AR-15 or M16 with the Spikes ST5BG03 Bolt Carrier Group. Designed for .223 Rem and 5.56x45mm NATO, it offers reliability with its Nickel Boron Steel build and mil-spec components.

SKU: 855319005501 Categories: , , ,


Meet the Spikes ST5BG03 Bolt Carrier Group, an indispensable part of your AR-15 or M16. Crafted for .223 Rem and 5.56x45mm NATO, it stands as a testament to Spikes Tactical’s commitment to quality.

Quality Craftsmanship

  • Designed for both AR-15 and M16, delivering versatility.
  • Manufactured from resilient Nickel Boron Steel for longevity.

Phosphate Coating

  • Features a complete phosphate coating, inside and out.
  • Provides extended durability, ensuring your BCG lasts longer.

Full Auto M-16

  • Built to the specifications of a full auto M-16.
  • Elevates your shooting experience with reliable performance.

Laser Engraved

  • Adorned with the laser-engraved ST Spider logo.
  • Adds an aesthetic touch to a robust build.

Mil-Spec Components

  • Includes a Mil-Spec Extractor, providing consistent extraction.
  • Comes with a Mil-Spec Gas Key, enabling stable gas cycling.
  • Contains a Firing Pin, Cam Pin, and Retaining Pin for hassle-free installation.

Get your hands on the Spikes ST5BG03 Bolt Carrier Group, the power-player behind each round fired. It’s not just an upgrade – it’s an investment.

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