The WHITE LABEL ARMORY AR10/AR15 CASTLE NUT 5 PACK is a high-quality bulk pack of precision-machined castle nuts designed for both AR-15 and AR-10 platforms. This convenient 5-pack (model WLA-PAC-7004-05) provides five identical castle nuts, which are essential components used to secure the buffer tube (receiver extension) to the lower receiver. Manufactured by White Label Armory, these castle nuts deliver reliable performance and proper fitment for a wide range of AR builds.
Why Choose the WLA AR10/AR15 Castle Nut 5 Pack?
The castle nut is a critical part of every AR-15 and AR-10 lower receiver assembly. It threads onto the buffer tube and locks against the end plate, preventing the buffer tube from rotating or loosening under recoil. A properly fitted castle nut ensures the buffer system remains stable and secure during operation. The WLA 5-pack offers excellent value for professional gunsmiths, custom builders, and serious shooters who assemble multiple rifles or want to keep spare parts readily available. These castle nuts are manufactured to mil-spec dimensions, making them compatible with standard mil-spec buffer tubes and end plates on both AR-15 and AR-10 platforms.
Key Features of the WLA AR10/AR15 Castle Nut 5 Pack
- 5-Pack Value – Includes five identical high-quality castle nuts for maximum convenience and cost savings
- AR10 & AR15 Compatible – Designed to work with both AR-15 and AR-10 lower receivers and buffer tubes
- Mil-Spec Dimensions – Manufactured to military specifications for proper fit and function
- Precision Machined – Cut to exact tolerances for smooth threading and secure lock-up
- Durable Steel Construction – Made from high-strength steel for long-term reliability
- Corrosion Resistant Finish – Finished with a protective coating to resist rust and wear
- Essential for Builds – Perfect for new builds, repairs, and replacing damaged or stripped castle nuts
- Model WLA-PAC-7004-05 – Official White Label Armory part number with UPC 00810155161026
Performance and Build Quality
The WHITE LABEL ARMORY AR10/AR15 CASTLE NUT 5 PACK is manufactured using high-grade steel and produced to strict mil-spec tolerances. Each castle nut features precisely cut threads that engage smoothly with standard buffer tubes while providing strong clamping force against the end plate. A properly torqued castle nut is essential for maintaining buffer tube alignment and ensuring the buffer and recoil spring function correctly. These castle nuts are designed to work with both standard and ambidextrous end plates, making them versatile for a wide variety of builds. The protective finish helps prevent corrosion, ensuring long-term durability even in harsh conditions. Whether you are building a standard carbine, a precision rifle, or a duty-grade firearm, these castle nuts provide the strength and reliability needed for a secure and professional assembly.
Technical Specifications
| Product Name | White Label Armory AR10/AR15 Castle Nut 5 Pack |
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| Model Number | WLA-PAC-7004-05 |
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| UPC | 00810155161026 |
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| Quantity | 5 Castle Nuts |
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| Compatibility | AR-15 & AR-10 Lower Receivers (Mil-Spec Buffer Tubes) |
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| Specification | Mil-Spec |
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| Material | High-Strength Steel |
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| Finish | Corrosion Resistant Coating |
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| Best For | AR-15 Builds, AR-10 Builds, Lower Receiver Assembly, Spare Parts |
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| Key Benefit | Bulk 5-pack of mil-spec AR10/AR15 castle nuts |
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Secure your buffer tube with quality mil-spec components.
The WLA Castle Nut 5 Pack provides essential parts for professional and hobbyist AR builders.
Important Notice: This product is a firearm component. Firearm accessory sales are subject to all applicable federal, state, and local laws. It is the buyer’s responsibility to know and comply with all applicable laws regarding the purchase and possession of firearm components. Must be 18 years or older to purchase. Keep out of reach of children. This product is intended for lawful use only.
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