Strike Industries AR Lower Receiver Pin Gunsmith Kit Black One Size. This kit is comprised of several important lower pins and detents. The kit contains takedown and pivot pins takedown and pivot pin detents hammer and trigger pins selector detents trigger guard roll pins bolt catch roll pins and bolt catch plungers. If you're looking to assemble some stripped lower receivers or to replace worn out pins and detents get your pin kit today Specifications for Strike Industries AR Lower Receiver Pin Gunsmith Kit: Manufacturer: Strike Industries Condition: New Color: Black Quantity: 1 Features of Strike Industries AR Lower Receiver Pin Gunsmith Kit Essential Lower Receiver Pins Durable and follows industry standards Matte Black Finish Package Contents: Strike Industries AR Lower Receiver Pin Gunsmith Kit 20x Takedown pin 20x Pivot pin 40x Trigger/Hammer pin 20x Buffer Retainer Pin 20x Bolt catch plunger 20x Bolt catch roll pin 40x Takedown/Pivot pin detent 20x Safety detent Strike Industries SI-AR-LRPK-PRO: AR Lower Receiver Pin Gunsmith Kit Black One Size