Guntec USA AR 5.56 Cal Extended Takedown Pin Set Gen 2 Anodized Grey. The goal is to distribute excellent quality at an economical value. Specifications for Guntec USA Gen 2 AR 5.56 Caliber Extended Takedown Pin Set: Manufacturer: Guntec USA Condition: New Fabric/Material: T6 Aluminum Weight: 0.1 oz Caliber: 5.56mm .223 Remington Features of Guntec USA Gen 2 AR 5.56 Caliber Extended Takedown Pin Set Complete Front & Rear Takedown Pin Set Extended Knobs For Easy/Quick Takedown CNC Machined Lightweight Package Contents: Guntec USA Gen 2 AR 5.56 Caliber Extended Takedown Pin Set Guntec USA TDP-SET-G2-GREY: AR 5.56 Cal Extended Takedown Pin Set Gen 2 Anodized Grey