Strike Industries AR Extended Pivot / Takedown Pins - Black - Strike industries extended takedown pins and pivot pins are ideal for shooters looking for a custom look and that run multiple upper receivers off of a single lower. Made out of Precision-Machined Steel. This is a replacement for the standard AR15/M16/M4 takedown pins and fits most of AR standard and billet receivers. Features: Eliminates the need for a pin punch; Locks into place securely; Quick disassembly of the rifle; Package Contents: 1 x Extended Pivot pin; 1 x Extended Take down pin