• Advanced blowback design

  • Manufactured to function reliably with Glock .40 S&W magazines  

  • Drop-in Installation

  • 8620 Steel Bolt

  • QPQ Nitride treated for maximum durability and wear resistance.

  • Heavy Duty Extractor

  • Removable mass

QC10, .40 S&W Glock Style Bolt Assembly

  • Brand: QuarterCircle10
  • Product Code: QC-A-BLT-G-40
  • Availability: In Stock
  • $334.99 USD