Strike Industries AR Anti-Walk Pins Black One Size. Toolless installation and disassembly allows for ease of maintenance with no small screws to back out or become lost. The smooth polished surface allows for a smoother trigger pull with standard trigger groups and the additional retention is essential for drop in trigger packs. QPQ nitrided high strength steel prevents corrosion and wear providing for a lifetime of use. Specifications for Strike Industries AR Anti-Walk Pins: Manufacturer: Strike Industries Color: Black Quantity: 1 Features of Strike Industries AR Anti-Walk Pins Tool less installation QPQ Nitride for smooth function and long life Polished surface improves trigger feel Package Contents: Strike Industries AR Anti-Walk Pins 2x Antiwalk/Antirotation Trigger/Hammer Pin 1x AWP Clip Strike Industries SI-AR-AWP: AR Anti-Walk Pins Black One Size