Finish your next build or keep a spare oops kit ready with the KNS Precision Turned lower parts kit. Machined by KNS Precision, this kit includes everything needed to complete your lower receiver or replace worn or lost parts.Features :Black Nitride Bolt Catch DetentBlack Nitride Buffer Detent(2) Black Nitride Pivot/Take Down DetentsBlack Nitride Standard Takedown PinBlack Nitride Standard Pivot PinBlack Nitride Standard Hammer pinBlack Nitride Standard Trigger PinBlack Nitride Safety Detent