1. Home
  2. Firearm Components
  3. Small Parts & Builder Hardware
  4. Screws & Fasteners
Screws & Fasteners

Fortis Castle Nut For AR-15 – Mil-Spec, Anodized Black (CN-Stand)

No reviews yet Be the first to review
Brand Fortis Manufacturing, Inc. Shop all → MFR# CN-Stand UPC 810103343054
Shop all →
Free ground shipping
Fortis Castle Nut For AR-15 – Mil-Spec, Anodized Black (CN-Stand)

Click the image to open it full size. Additional supplier images appear when available.

Why customers choose this item

  • 7075-T6 billet aluminum body
  • Type III hardcoat anodized
  • Mil spec buffer tube fit
  • Weight 0.2 ounces total
  • Requires stock wrench install
  • Black anodized finish

Product highlights

  • Castle nut designed for AR platform buffer tube assemblies
  • Constructed from aircraft grade 7075-T6 aluminum for strength and durability
  • Weighs approximately 0.2 ounces for lightweight build optimization
  • Type III hardcoat anodized finish enhances wear and corrosion resistance
  • Compatible with standard mil spec buffer tubes for secure installation
  • Requires standard stock wrench tool for proper installation

Product description

The Fortis Manufacturing, Inc. Castle Nut is a rifle castle nut designed for securing the buffer tube on AR-15 platforms.

The Fortis Manufacturing, Inc. Castle Nut is machined from aircraft grade 7075-T6 aluminum and features a Type III hardcoat anodized black finish. This AR-15 castle nut weighs 0.2 ounces and is designed to fit mil-spec buffer tubes. It requires a standard stock wrench for installation and is manufactured in the USA. This product is used for retaining the receiver extension in place during assembly. In standard configurations, this rifle castle nut provides a consistent interface with AR-15 lower receivers and buffer systems. The lightweight construction supports builds where reduced component weight is required without altering compatibility.

Specifications

Brand
Fortis Manufacturing, Inc.
Model / Series
CN-Stand
MPN (Manufacturer Part #)
CN-Stand
UPC
810103343054
Item Type (leaf)
Castle Nut
Pack Quantity
1
Weight
0.2 oz
Primary Use / Application
Buffer Tube Nut
Platform Compatibility
AR-15
Material
7075-T6 Al
Finish / Coating
Anodized Blk
Attachment Interface
Buffer Tube
Size / Dimension
Std AR
Included Pieces
1 nut
Tool Required
Stock Wrench

Related searches

Compare Similar Products

Attribute You're viewing
Fortis Castle Nut For AR-15 – Mil-Spec, Anodized Black (CN-Stand)
Fortis Castle Nut For AR-15 – Mil-Spec, Anodized Black (CN-Stand)
Fortis Lightweight Enhanced Castle Nut End Plate Kit for AR-15 – K1 System, Black Flat Dark Earth (LE-BLK-K1-FDE)
Fortis Lightweight Enhanced Castle Nut End Plate Kit for AR-15 – K1 System, Black Flat Dark Earth (LE-BLK-K1-FDE)
Fortis Lightweight Enhanced End Plate Castle Nut Kit for AR-15 – K1 System, Black (LE-BLK-K1-BLK)
Fortis Lightweight Enhanced End Plate Castle Nut Kit for AR-15 – K1 System, Black (LE-BLK-K1-BLK)
Price$22.86$48.09$48.09
Primary Use / ApplicationBuffer Tube NutCastle Nut SystemCastle Nut System
Platform CompatibilityAR-15AR-15AR-15
Material7075-T6 Al7075-T6 Aluminum7075-T6 Aluminum
Finish / CoatingAnodized BlkFDE AnodizeBlack Anodize
Thread Size / Pitch———
Size / DimensionStd AR——

You May Also Like

Related Products

Featured offers

Volume pricing for business and agency buyers, plus free ground shipping on most continental U.S. orders.

Business & agency accounts

Bulk discounts

Volume pricing, dedicated account management, ACH payment options, and special sourcing for businesses, agencies, law enforcement, and first responders.

Register an account
Every contiguous U.S. order

Free ground shipping

No minimum. Orders ship within one business day of payment and verification, and eligible orders can be upgraded to as fast as next-day at checkout.

See shipping details

Customer reviews

No reviews yet This product hasn't been reviewed. If you've used it, your write-up helps the next buyer.

Write a review

New gear, restocks, and member pricing

One email a week. Product drops, price changes on items you follow, and business-account offers.

Unsubscribe any time. We don't sell your address.