Mil-spec Lower Receiver Parts Kit & MIl-Spec Pistol tube Kit

Complete your AR-15 pistol or rifle build with this essential combo from Miami Shooters Supply. This package pairs a standard Mil-Spec Lower Receiver Parts Kit (LPK) with a dedicated Mil-Spec Pistol Tube Kit, providing the core components you need to assemble a functional lower receiver. It’s the go-to solution for builders who demand reliability and want to avoid the hassle of sourcing separate kits. You get genuine mil-spec quality with fast shipping, so you can get back to your project without delay.

Key Features

• Mil-Spec Lower Parts Kit includes all necessary springs, detents, pins, and fire control components for a standard AR-15 lower receiver.
• Mil-Spec Pistol Tube Kit features a buffer tube, castle nut, end plate, and buffer retainer designed for pistol brace or bare tube configurations.
• All components are manufactured to U.S. military technical data package (TDP) specifications for consistent fit and performance.
• Kits are packaged together for convenience, ensuring compatibility between the lower parts and the pistol buffer system.
• Ideal for first-time builders or experienced armorers stocking up on reliable, no-fuss AR-15 parts.

Built For

This kit is built for the AR-15 enthusiast constructing a legally configured pistol or a rifle with a carbine-length receiver extension. It’s perfect for the builder who understands that true mil-spec dimensions mean reliable function and broad compatibility with other mil-spec upper receivers and components.

Specifications

• Compatibility: Fits standard AR-15/M4 platform lower receivers.
• Buffer Tube: 6061-T6 Aluminum, Type III Hardcoat Anodized, Mil-Spec diameter.
• Lower Parts: Steel pins and springs, standard mil-spec trigger and hammer.
• Finish: Matte black oxide and anodized finishes consistent with military specifications.
• Intended Use: For building AR-15 style pistols or firearms with a pistol-length buffer system.

FAQ

Does this kit include a pistol brace or stock?
No. This kit includes the pistol buffer tube (receiver extension) and lower receiver parts. A pistol brace or stock is sold separately to ensure you can configure your firearm according to your local laws and intended use.

Is the fire control group (trigger) included full-auto or semi-auto?
The included fire control group is a standard, semi-automatic only trigger assembly. It is designed for reliable, safe use in civilian semi-automatic AR-15 platform firearms.