These Strike Industries Aluminum Pivot/Takedown Pins eliminate extra weight with this cost-effective yet durable solution. Precision CNC machined from billet 7075 for superior durability, these AR15 Lower Parts by Strike Industries are perfect for your lightweight build. The extended grasping surface of these SI Pivot and Takedown Pins provides a secure hold for long-lasting use. Get the lightest and most durable build with these Strike Industries Ultra-Light EPTP.