White Label Armory AR15 / AR10 Castle Nut Steel 5 Pack – PAC700405

The White Label Armory AR15 / AR10 Castle Nut 5 Pack (PAC700405) is a high-quality, mil-spec replacement part designed for both AR-15 and AR-10 platform rifles. This essential component threads onto the receiver extension (buffer tube) and works together with the end plate to securely lock the buffer tube in place on the lower receiver. Each pack contains five precision-machined steel castle nuts, providing excellent value for professional armorers, gunsmiths, and serious builders who require reliable spares.

Manufactured from durable steel and machined to exact mil-spec dimensions, these castle nuts ensure a secure and consistent fit on standard AR-15 and AR-10 buffer tubes. Whether you are building multiple rifles, performing maintenance, or stocking your armorer’s kit, this five-pack offers a cost-effective solution for one of the most commonly used parts in AR platform assembly. The steel construction provides superior strength and longevity compared to lower-quality alternatives, making these castle nuts a dependable choice for both recreational and professional use.

Key Features of the White Label Armory AR15 / AR10 Castle Nut

• Mil-Spec Dimensions: Manufactured to military specifications for proper fit and function on standard buffer tubes.
• Steel Material: Strong and durable steel construction resists wear, stripping, and deformation.
• 5-Pack Convenience: Ideal for professional armorers, gun builders, and those who maintain multiple firearms.
• AR15 & AR10 Compatible: Works with both .223/5.56 AR-15 and .308/7.62 AR-10 platform rifles.
• Secure Locking: Properly secures the buffer tube and end plate to the lower receiver.
• Precision Machined: Tight tolerances ensure consistent threading and reliable performance.
• Essential Component: Critical part required for proper assembly and function of the buffer system.
• Cost Effective: Bulk packaging offers significant savings compared to buying individual castle nuts.

Why Choose the White Label Armory AR15 / AR10 Castle Nut 5 Pack?

The White Label Armory AR15 / AR10 Castle Nut 5 Pack (PAC700405) is an excellent choice for anyone who frequently builds, maintains, or repairs AR-platform rifles. Castle nuts are small but critical components that can be easily lost or damaged during disassembly. Having multiple spares on hand prevents downtime and ensures you always have the correct part available when needed.

White Label Armory produces affordable, high-quality AR components that meet or exceed mil-spec standards. These steel castle nuts are precision machined for consistent fit and reliable performance across a wide range of AR-15 and AR-10 rifles. Whether you are a professional gunsmith stocking your shop, a competitive shooter maintaining multiple rifles, or a hobbyist builder who prefers to keep spare parts on hand, this five-pack delivers outstanding value and dependable quality.

The White Label Armory AR15 / AR10 Castle Nut Steel 5 Pack (PAC700405) provides five precision-machined steel castle nuts designed to securely lock the buffer tube and end plate to AR-15 and AR-10 lower receivers. This affordable bulk pack is ideal for professional armorers, gun builders, and anyone who wants to keep essential spare parts on hand.