S&W M&P AR-15 Customizable Lower Parts Kit

The Smith & Wesson M&P AR-15 Customizable Lower Parts Kit provides the small, MIL‑SPEC lower components commonly used when assembling an AR‑15 lower. Items are supplied to allow a builder to assemble a functioning lower while retaining flexibility to install aftermarket upgrades. The kit is presented for use in AR‑15 builds and includes the listed small parts.

Key Specifications

• Product type is Lower Parts Kit intended for AR-15 builds.
• Materials used: Various.
• Finish is listed as Black.
• Units per box: 1.
• Listed weight: 0.1875.
• Make/Model association: AR-15.
• Includes bolt catch, bolt catch plunger, bolt catch roll pin, bolt catch spring, buffer retainer, buffer retainer spring, hammer pin, magazine catch, magazine catch button, magazine catch spring, pivot pin, pivot pin detent, pivot pin detent spring, selector, selector detent, selector detent spring, takedown pin, takedown pin detent, takedown pin detent spring, and trigger pin.

This kit supplies the standard small components builders rely on when putting together a custom AR‑15 lower while leaving room to select upgraded controls and hardware. It is a practical choice for experienced builders who want the core MIL‑SPEC parts in hand and the freedom to tailor the rest of the build to their needs.