The Armaspec Stainless Lower Parts Kit, .223/5.56, Black (Armaspec part number ARM152-BLK) gives AR-15 builders the internal components needed to complete a .223 Remington/5.56 NATO lower receiver build. Armaspec is known for high-quality components and precise manufacturing, and this kit carries that standard into a complete parts solution rather than piecing a lower together from individual purchases. The durability, reliability, and excellent build quality behind Armaspec’s parts is built to ensure years of dependable service in the finished rifle. Finished in black, it is a straightforward, one-purchase way to finish a lower receiver build.

Key Specifications

• Built for .223 Remington/5.56 NATO AR-15 lower receivers.
• Classified as a complete Lower Parts Kit.
• Constructed with stainless internal components for durability.
• Finished in black to match most AR-15 builds.

Frequently Asked Questions

What caliber lower is this kit built for? .223 Remington/5.56 NATO AR-15 lower receivers.

Does this kit complete a full lower build? Yes, it is sold as a complete lower parts kit rather than individual components.

Buy the Armaspec Stainless Lower Parts Kit

Finish your AR-15 lower build in one purchase with the Armaspec Stainless LPK. Order it from our Armaspec lineup of AR lower parts kits and our Lubbock, Texas team will get it shipped out quickly.