Upgrade your Wilson Combat AR9 carbine with the ultra-durable Bullet Proof firing pin, crafted from corrosion-resistant 17-4 stainless steel. Designed to tailor specifically to the AR9 configuration and function optimally no matter what environment you find yourself in, this is an essential addition for all serious shooters. The firing pin also features a hardened chrome finish that offers superior resistance to wear and tear, providing the ultimate in durability and dependability. With its robust construction and attention to detail, you can be sure your AR9 will perform at its best for years to come with this trusted firing pin from Wilson Combat. FeaturesDirect replacement for the AR9 carbine17-4 stainless steelBullet Proof part