Guntec USA AR-15 Heavy Duty Wide Castle Nut CASTLE-HD | UPC 714569647827

Nut fortress: Guntec USA AR15 Castle Nut Wide Heavy Duty, mega mount, torque titan. Model CASTLE-HD UPC 714569647827 – extreme end.

Guntec CASTLE-HD Castle Nut

CASTLE-HD oversized heavy-duty steel castle nut for AR-15 commercial buffer tubes, wider profile for better wrench engagement, deep stake notches, black oxide, ideal for high-abuse builds.

Heavy Duty Features

• Wide Design: Wrench warrior.
• Heavy Steel: Abuse armor.
• Deep Notches: Stake supreme.
• Commercial Fit: Tube tough.
• Black Oxide: Corrosion crush.

Nut Nemesis

Guntec heavy.

Castle Colossus

Wide warrior.

Specs - UPC 714569647827

• Model: CASTLE-HD
• Type: Wide Heavy Duty
• Fit: AR-15 Commercial
• Material: Steel Black

Reviews

"Guntec HD castle nut bombproof!" "No spin ever." Guntec extreme.

Lock Guntec USA AR-15 Wide Heavy Duty Castle Nut CASTLE-HD (UPC 714569647827)!

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