Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black Parts: Price & Reviews | GunsNation

Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black

Name: Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black
Brand: Spikes Tactical
SKU: UCEMJbyMQ
Availability: InStock

The Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black is a 5.56 NATO parts from Spikes Tactical. It is available from 1 vendor at $739.99.

From $739.99

Product Information

Name: Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black

Brand: Spikes Tactical

Category: Parts

Caliber: 5.56 NATO

Barrel Length: 16"

UPC: 815648021030

SKU: UCEMJbyMQ

Description

The Spike's Tactical M4 LE Upper is a 16-inch 5.56 NATO / .223 Remington upper receiver in a black finish. It's designed around a chrome-lined barrel with a 1:7 twist rate and a flat-top rail for optics and accessories.

Key Specifications

Barrel Length: 16 inches
5.56 NATO / .223 Remington

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Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black

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Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black

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Tactical

Manufacturer:Spikes Tactical

Key Specifications

**Ba...

UPC:815648021030

Caliber:5.56 NATO

Barrel Length:16”

Specifications

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Firearms Parts

Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black

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Tactical

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grabagun.com

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Information

Offers 1

Reviews 0

Questions 0

Description

Key Specifications

Barrel Length: 16 inches
Caliber: 5.56 NATO / .223 Remington
Condition: New in Box
Manufacturer: Spike's Tactical
Manufacturer Part Number: STU5025M4S
Model: Black
Type: Uppers
UPC: 815648021030

Detailed Features

The chrome-lined barrel is the practical centerpiece here. Chrome lining extends barrel life and makes cleaning easier, which matters for high-volume shooters or those using the upper in demanding conditions. The 1:7 twist rate handles heavier projectiles well, from standard 55 grain M193 up through 77 grain match bullets and tracers.

The flat-top upper receiver gives you a Picatinny rail across the full top for mounting optics, iron sights, or accessories without adapters. The A2 front sight provides a fixed reference point that works as a co-witness baseline.

Spike's Tactical applies their standard quality control before the upper ships. The build is consistent with mil-spec dimensions, meaning it will mate with any mil-spec lower receiver.

Usage

This upper is appropriate for home defense builds, competition, or range use. The 5.56 NATO / .223 Remington chambering handles both SAAMI .223 and NATO-spec 5.56 ammunition. Law enforcement and civilian users benefit equally from the chrome lining and twist rate combination. Compatibility with your existing lower is worth verifying, though mil-spec fit is standard.

Details

Name:Spike's Tactical M4 LE Upper - 16" 5.56 NATO Black

Model:Black

Barrel Length:16”

ProductVendorPrice

ProductSpikes Tactical 5.56 NATO M4 LE Upper 16-inch Black LE

Vendorgrabagun.com

Price

$739.99

Buy

The Spike's Tactical M4 LE Upper gets solid marks from owners who value consistent build quality and American manufacturing.

Build quality is the most frequent positive. The chrome-lined barrel and mil-spec dimensions are what buyers expect from Spike's, and most owners confirm the upper delivers. Performance with standard 5.56 and .223 loads is reported as reliable, with good accuracy for a mid-tier AR upper.

The lightweight profile is mentioned positively by users who run it on carbine builds intended for extended carry or competition where weight matters.

Criticism centers on price relative to alternatives. There are budget AR uppers available for less, and some buyers feel the Spike's premium isn't justified compared to other quality mil-spec options. Others counter that the chrome lining and Spike's QC are worth the difference.

A small number of users report fitment questions with specific lowers or accessories. This is uncommon with mil-spec uppers but worth checking for non-standard lower builds. Overall, it's a well-regarded upper for buyers who want domestic quality control and proven materials without going to a custom or semi-custom builder.

AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.

What caliber is the Spike's Tactical ST-15 LE Upper?

It is chambered in 5.56 NATO / .223 Remington.

Who makes the ST-15 LE Upper?

It is made by Spike's Tactical.

What type of product is the Spike's Tactical ST-15 LE Upper?

It is an upper receiver for AR-15 / M4-pattern rifles.

What is the barrel length of the ST-15 LE Upper?

The barrel is 16 inches long.

Where can I buy the Spike's Tactical ST-15 LE Upper?

Compare current vendor offers on this page.

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5.56 NATO