ERGO GRIPS CASTLE NUT 4971

Ergo Grips AR Castle Nut - 4971 (UPC 874748005333) Ergo 4971 castle nut AR armor nut: lock legend. Steel / stakeable – receiver rock, Ergo castle nut, AR end plate nut. Ergo Castle Nut Features AR-15 / M4 Compatible: Mil spec mate. Castle Slots: Clip secure. Hardened Steel: Torque titan. Stakeable Design: Permanent pin. Precise Threads: Fit flush. Black Oxide Finish: Corrosion combat. Buffer Tube Ready: Stock solid. USA Made: Build bold. Ergo AR Nut: Nut Supreme 4971 secures supreme – nut supreme. "Ergo Grips Castle Nut boss!" bosses wobble. Ergo boss. Nut Ergo castle nut AR, 4971 AR15, stakeable castle nut, AR stock nut. Nut Specs FitAR-15 / M4 MaterialHardened Steel TypeCastle Nut The End