Armaspec Anti-Walk Trigger/Hammer Pins w/Hex Keys SS. These AR15 Lower Parts by Armaspec are designed to keep your hammer/trigger pins from coming out which is essential for total firearm safety. The Armaspec Stainless Anti-Walk Pins AR-15 are perfect for rifles that go through multiple rounds in a short period of time or that take any other kind of beating that could loosen the pins. Securing these on your firearm today could prevent serious damage to your lower receiver. Make the switch to Armaspec Anti-Walk Replacement Pins and feel the comfort of knowing those pins aren't going anywhere no matter how much you use your firearm. Specifications for Armaspec Anti-Walk Trigger/Hammer Pins w/Hex Keys: Manufacturer: Armaspec Color: Stainless Fabric/Material: Stainless Steel Condition: New Country of Origin: USA Features of Armaspec Anti-Walk Trigger/Hammer Pins w/Hex Keys Coming Soon Package Contents: Armaspec Anti-Walk Trigger/Hammer Pins w/Hex Keys Armaspec ARM136-SS: Anti-Walk Trigger/Hammer Pins w/Hex Keys SS