WILSON COMBAT AR-9 BULLETPROOF FIRING PIN 9MM

The firing pin of a 9mm AR carbines is under intense pressure and factory steel and titanium units are often subject to breakage and excessive tip erosion or wear. Since Wilson Combat’s high performance carbines deserve the highest performing parts they designed a Bullet Proof®  firing pin machined from virtually unbreakable S-7 tool steel. Hard chrome finished for corrosion protection and easy cleanup Machined from virtually unbreakable S-7 tool steel