描述

EXTRA!
STEEL PART for SUPER HI-SPEED Perfromance
Full set including

  • CNC Steel Bolt Carrier Enhanced Nozzle set
  • 70° Piston head
  • Enhanced Nozzle Spring
  • Roller Bolt End.

STEEL BOLT CARRIER HIGH SPEED SPEC.

*20RPS

*THE RPS TEST 12KG GAS 25°C TEMPERATURE