Spikes Tactical Upper 5.56 16in M4 LE w/10in M-LOK Rail

All Spike's Tactical upper receivers

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Spike's Tactical Spikes Tactical Upper 5.56 16in M4 LE w/10in M-LOK Rail - Upper Receiver for AR-15 - view 1

Spike's Tactical

Overview

The Spike's Tactical Upper 5.56 16in M4 LE features a complete upper assembly designed for the AR-15 platform, making it a solid choice for builders looking to enhance their rifles. With a 16-inch barrel chambered in 5.56 NATO, this upper delivers a balance of maneuverability and performance, catering to a wide range of shooting applications. This setup is commonly found in builds focused on the 5.56 NATO caliber, making it ideal for both tactical and recreational shooting.

Specifications

MPNSTU5025M1S
Barrel Length16
AssemblyComplete
Caliber5.56 NATO
Receiver TypeM4
PlatformAR-15

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Build history on GunPartPicker

Builders on GunPartPicker first added the Spike's Tactical Spikes Tactical Upper 5.56 16in M4 LE w/10in M-LOK Rail to a build in February 2026.

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