Laylax Marui HK416D Trigger Lock Pin

*Tight lock design to prevent fallout. *Hex hole head design! The trigger lock pin of HK 416 tends to get lost, due to its hole getting bigger, from repeated recoil shock and stripping during upgrades. This “HK416D Trigger Lock Pin” is tight lock design for firm and secure fix. This pin will assure you a tight secure fix even the hole gets bigger. Hex hole head and low profile top design!