Smith & Wesson M&P AR-15 Complete Upper Parts Kit

The M&P AR-15 Complete Upper Parts Kit contains the MIL-SPEC components needed to finish a stripped AR-15 upper receiver. It provides the common service parts used to assemble a functional ejection port and forward assist assembly. The kit is intended for builders and armorers completing an upper receiver and is composed of standard upper-receiver components supplied by M&P Accessories / Smith & Wesson.

Key Specifications

• The model is Complete Upper Parts Kit.
• The product type is listed as Upper Receiver.
• The kit is dimensioned for AR platforms.
• The material is specified as Various.
• The finish is listed as Anodized.
• The weight is recorded as 0.155.
• The shipping weight is recorded as 0.155.
• Includes a forward assist (assembled).
• Includes a forward assist spring and a forward assist roll pin.
• Includes an ejection port cover with ejection port spring and ejection port pin, plus a hinge pin clip.

This kit supplies the essential upper-receiver parts for a straightforward build or repair, using MIL-SPEC components from M&P Accessories. It’s a practical choice for gunsmiths and experienced builders who prefer OEM-compatible upper parts assembled to common service specifications.