The Heckler & Koch HK416 Firing Pin Retaining Part is an authentic OEM replacement component designed specifically for the HK416 rifle platform.Heckler & Koch HK416 Firing Pin Retaining PartGenuine H&K OEM component (SKU: 203564)Designed specifically for HK416 riflesCritical firing mechanism componentFactory specification and qualityEssential for maintaining proper firing pin function and ensuring reliable operation of your HK416. Recommended for professional armorers and experienced firearm technicians.