Armaspec AR9 Firing Pin — 17-4 Stainless, H900

The Armaspec AR9 Firing Pin is a replacement firing pin intended for AR9-pattern firearms. It is machined from 17-4 stainless steel and finished in stainless silver. The pin is heat-treated to H900 to provide increased hardness and wear resistance. This part is intended for maintenance, repair, and parts replacement on compatible AR9 components.

Key Specifications

• Manufactured by Armaspec.
• Model designation: AR9 Firing Pin.
• Material: 17-4 Stainless Steel.
• Heat treatment: H900 hardened.
• Finish: Stainless Steel.
• Color: Silver.
• Catalog classification: Small AR15 Parts / Long Gun Parts.

Designed for straightforward installation in compatible AR9 bolt assemblies, this Armaspec firing pin provides a durable option for routine service and parts replacement. Its stainless construction helps resist corrosion and its hardened profile supports extended service life, making it a practical choice for range use, competition, and general component upkeep.