• High pressure tested (HPT) and magnetic particle inspected (MPI)
  • DPMS style
  • Properly staked gas key
  • Shot peened bolt
  • Laser engraved ST spider logo
  • Nickel Boron finish for smoother operation


  • Caliber: .308 Win / 7.62 NATO
  • Weight: 17.78 oz.
  • Finish: Nickel Boron
  • Material:
    • Bolt Carrier: 8620 Tool Steel
    • Bolt: 9310 Tool Steel
    • Extractor: 8620 Tool Steel
    • Gas Key: 8620 Tool Steel
  • Profile: Full-Auto

**A full-auto (A.K.A. M16) bolt carrier installed in a standard semi-auto AR-15 will not make the gun fire full-auto.


  • DPMS Gen I pattern LR308 rifles

*Will not fit DPMS Gen 2 pattern rifles


  • 1x Nickel Boron Bolt Assembly
  • 1x Nickel Boron Extractor
  • 1x Nickel Boron Cam Pin
  • 1x Nickel Boron Bolt Carrier
  • 1x Nickel Boron Carrier Gas Key
  • 1x Firing Pin
  • 1x Firing Pin Retaining Pin


If you’re looking for a new Nickel Boron 308 Bolt Carrier Group there are a number of choices on the market. Professional and casual shooters are quick to recognize the benefits of Nickel Boron coating in firearms applications and it’s becoming more prevalent on the market as a growing number of manufacturers use it it’s toughness and inherent lubricity to call the masses to their products. Spike’s Tactical knows, that you can’t just paint the house and expect it to stand for long if it's not built right to begin with. When you really want a Nickel Boron BCG that will perform, turn to Spikes for quality you can trust.

Quality Materials & Superior Processes

The Spikes Tactical Nickel Boron 308 Bolt Carrier Group is assembled from components individually manufactured by Spike’s Tactical to be superior to their competitor’s offerings. Spikes gives each piece of their bolt carrier groups keen attention to detail. They don’t scrimp on materials and give them a fancy coating and hope nobody notices.

The Spikes Tactical .308 Bolt Carrier

The DPMS Style Carrier body of Spike’s Nickel Boron 308 BCG starts with 8620 Tool Steel that’s precision machined for quality fit and finish and then given a Nickel Boron finish that will resist cracking, peeling, and fouling while standing up to cycle after cycle of use without additional lubricants.

The Bolt

Spike’s AR10 bolt is 9310 Tool steel that’s undergone shot peening to create a stress and fatigue resistant component that will endure thousands of rounds without fail. The bolt is then given its own quality Nickel Boron coating for self-lubricity that’s second to none. Rest assured that you won’t have to worry about fatigue or friction wear for thousands of cycles When you choose Spikes Nickel Boron 308 BCG.

Have a question?

Ask an Expert