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