FX-9 GEN2 Bolt Assembly

FX-9 replacement GEN2 bolt assembly includes firing pin assembly, extractor assembly and roller assembly. This assembly is compatible with all GEN2 FX-9 models.


In stock


If you have a GEN 1 you will need to purchase the upgrade kit. The GEN2 Bolt Assembly is only compatible with GEN2 parts. EX: Barrel, bolt and feed ramp. If you have a GEN1 you will need to also purchase the GEN2 Feed Ramp and Pin to be compatible.

Enter your FX-9 Serial Number to see which GEN you currently own.

Product total
Options total
Grand total




  • Includes firing pin assembly, extractor assembly, and roller assembly
  • Rear of bolt .530″ inner dimension
  • Inside barrel .355″ diameter
  • Made in the USA


  • Bolt, cam roller and extractor machined from 4140 chromoly steel
  • QPQ nitride finish
  • Heat treated to 40-45 HRC
  • Firing pin turned from S7 tool steel and heat treated to 55 HRC for prolonged use