Meticulous machining ensures the perfect fit and function in your build. The perfect .40S&W / 10mm bolt carrier group for your pistol caliber build. To ensure long-term reliability and corrosion resistance, Outerwild partners with industry-leading finisher: H&M. Their Blacknitride+™ finish delivers the utmost durability.

• 8620 Single Piece Bolt 
  • .40S&W / 10MM
  • Blacknitride+™ by H&M
  • Heat Treated
  • AR15 Style Extractor
  • 17-4 Stainless Steel Firing Pin with Spring
• Functions with All AR15 Style PCC Systems Including: 
  • Colt Style Magazine
  • Glock Style Magazine
  • Full Auto Compatible
• 100% American Made