Radian Weapons AR15 Takedown Pin Kit Nitride. Radian Weapons precision-machined these AR15 Takedown & Pivot Pins from durable steel to hold up in harsh conditions and throughout rough recoil. Each Radian Weapons AR15/M16 Takedown Pin Kit includes springs and detents and these are compatible with both AR-15 and M-16 receivers. Secure your upper and lower receiver together with these reliable Radian Weapons AR15 Takedown Pins. Specifications for Radian Weapons AR15 Takedown Pin Kit: Manufacturer: Radian Weapons Condition: New Color: Black Country of Origin: USA Features of Radian Weapons AR15 Takedown Pin Kit: Precision CNC machined steel w/ black nitride finish and engraved Radian logo Pins feature dimpled end for use with cartridge tip or punch forward pivot pin includes fingernail groove around circumference of pin head for easier removal Detents and springs included Compatible with standard AR15/M16 receivers Package Contents: Radian Weapons AR15 Takedown Pin Kit Radian Weapons R0077: AR15 Takedown Pin Kit Nitride