Armaspec ARM6521-BLK Self-Retention Caste Nut for AR-15 and Rifles

Armaspec ARM6521-BLK Self-Retention Caste Nut in Black Aluminum

The Armaspec ARM6521-BLK is a high-quality self-retention caste nut designed for AR-15 rifles and compatible platforms. Crafted from durable aluminum with a sleek black finish, this component ensures reliable installation and secure attachment. Its precise engineering provides a stable fit that enhances overall rifle performance and durability.

Designed for easy installation, the ARM6521-BLK offers a secure, self-retention feature that eliminates the need for additional fasteners or tools. This nut is ideal for builders seeking a lightweight, corrosion-resistant solution that maintains integrity under rigorous use. Whether upgrading or assembling a new rifle, this caste nut provides a dependable, low-profile solution for your firearm’s assembly needs.

Highlights

• Constructed from lightweight, durable aluminum with a black anodized finish
• Self-retention design for secure fit without extra fasteners
• Compatible with AR-15 platforms and similar rifles
• Easy to install with reliable, long-lasting performance
• Corrosion-resistant for enhanced durability in various environments

Specifications

• Brand: Armaspec
• Model: ARM6521-BLK
• Manufacturer Part Number: ARM6521-BLK
• UPC: 810048493999
• Material: Aluminum
• Finish: Black anodized
• Fitment: AR-15 and compatible rifles
• Dimensions: Approximate length 0.99 inches, width 0.76 inches, height 0.15 inches
• Weight: 0.24 ounces