Strike SIAREPTPBK Extended Takedown/Pivot Pins AR-15/M16/M4 Steel Black Strike Industries extended takedown and pivot pins are ideal for shooters looking for a custom look and that run multiple upper receivers off of a single lower. This replacement is for your AR15/M16/M4 and fits most of AR standard and billet receivers. Type: Pin Kit Model: AR-15/M16/M4 Material: Steel Finish: Black
