*Due to the current COVID-19 situation, USPS Priority and First Class Mail are requiring more time for delivery. USPS Priority Mail 2-day and 3-day have been extended to three and four days

Castle Nuts

Items: 129 of 29, per page
Drop items here to shop
Product has been added to your cart
  • Drag and drop me to the cart
    Fortis Billet Castle Nut - Standard

    Not rated yet
    • $14.25
    • New!
  • Product is out of stock
    Fortis LE Lightweight Enhanced AR15 End Plate - K1 System (Tapered) Castle Nut - Black

    Not rated yet
    • $42.70
  • Product is out of stock
    Fortis LE Lightweight Enhanced AR15 End Plate - K1 System (Tapered) Castle Nut - Blue

    Not rated yet
    • $42.70
  • Drag and drop me to the cart
    Fortis LE Lightweight Enhanced AR15 End Plate - K1 System (Tapered) Castle Nut - Gold

    Not rated yet
    • $42.70
  • Product is out of stock
    Fortis LE Lightweight Enhanced AR15 End Plate - K1 System (Tapered) Castle Nut - Red

    Not rated yet
    • $42.70
  • Product is out of stock
    Fortis LE Lightweight Enhanced AR15 End Plate - K2 System (Locking Lever) Castle Nut - Black

    Not rated yet
    • $52.70
    • New!
  • Product is out of stock
    Fortis LE Lightweight Enhanced AR15 End Plate - K2 System (Locking Lever) Castle Nut - Blue

    Not rated yet
    • $52.70
    • New!
  • Drag and drop me to the cart
    Fortis LE Lightweight Enhanced AR15 End Plate - K2 System (Locking Lever) Castle Nut - FDE

    Not rated yet
    • $52.70
    • New!
  • Product is out of stock
    Fortis LE Lightweight Enhanced AR15 End Plate - K2 System (Locking Lever) Castle Nut - Gold

    Not rated yet
    • $52.70
    • New!
  • Product is out of stock
    Fortis LE Lightweight Enhanced AR15 End Plate - K2 System (Locking Lever) Castle Nut - Red

    Not rated yet
    • $52.70
    • New!
  • Drag and drop me to the cart
    Fortis QD End Plate and Billet Castle Nut - Standard

    Not rated yet
    • $30.40
    • New!
  • Product is out of stock
    R1 Tactical AR Castle Nut Mil-Spec - Black

    Not rated yet
    • $4.95
  • Drag and drop me to the cart
    R1 Tactical AR Castle Nut Mil-Spec - FDE

    Score: 5.00 (votes: 1)
    1
    • $5.95
  • Drag and drop me to the cart
    R1 Tactical AR Steel End Plate and Castle Nut Mil-Spec - Frost Blue

    Not rated yet
    • $12.95
  • Product is out of stock
    R1 Tactical AR Steel End Plate and Castle Nut Mil-Spec - Red

    Not rated yet
    • $12.95
  • Drag and drop me to the cart
    R1 Tactical Lightweight Aluminum Castle Nut - Black

    Not rated yet
    • $19.95
  • Drag and drop me to the cart
    R1 Tactical Lightweight Aluminum Castle Nut - Bright Blue

    Score: 5.00 (votes: 1)
    1
    • $19.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum Castle Nut - Red

    Score: 5.00 (votes: 1)
    1
    • $19.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum Castle Nut - Silver

    Not rated yet
    • $19.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum QD End Plate and Castle Nut - Black

    Score: 5.00 (votes: 1)
    1
    • $38.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum QD End Plate and Castle Nut - Blue

    Score: 5.00 (votes: 2)
    1
    • $38.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum QD End Plate and Castle Nut - Gold

    Not rated yet
    • $38.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum QD End Plate and Castle Nut - Red

    Score: 4.50 (votes: 2)
    • $38.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum QD End Plate and Castle Nut - Silver

    Score: 5.00 (votes: 5)
    3
    • $38.95
  • Product is out of stock
    Strike Industries Multi-Function End Plate and Anti-Rotation Castle Nut

    Not rated yet
    • $26.95
  • Product is out of stock
    Strike Industries TRIBUS Enhanced Castle Nut & Extended End Plate - Black

    Not rated yet
    • $67.95
  • Product is out of stock
    Strike Industries TRIBUS Enhanced Castle Nut & Extended End Plate - Blue

    Not rated yet
    • $69.95
  • Product is out of stock
    Strike Industries TRIBUS Enhanced Castle Nut & Extended End Plate - FDE

    Not rated yet
    • $69.95
  • Product is out of stock
    Strike Industries TRIBUS Enhanced Castle Nut & Extended End Plate - Red

    Not rated yet
    • $69.95
Bestsellers
  • Product is out of stock
    R1 Tactical Lightweight Aluminum QD End Plate and Castle Nut - Silver

    Score: 5.00 (votes: 5)
    3
    • $38.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum Castle Nut - Red

    Score: 5.00 (votes: 1)
    1
    • $19.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum QD End Plate and Castle Nut - Red

    Score: 4.50 (votes: 2)
    • $38.95
  • Product is out of stock
    R1 Tactical Lightweight Aluminum Castle Nut - Silver

    Not rated yet
    • $19.95