AR-15/M16 M4 Upper Receiver

Name: AR-15/M16 M4 Upper Receiver
Brand: Spikes Tactical
Availability: OutOfStock

Spikes Tactical · Upper Receiver

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$656.99at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

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Store	Price	Availability	Buy	Add to build
Brownells	$656.99checked Oct 1, 2026	Out of stock	Buy at Brownells

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Dashed line = out of stock. Tracking since Sep 27, 2026.

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Store	Latest	Lowest	Highest
Brownells	$656.99	$656.99	$656.99

Since Sep 27, 2026.

The AR-15/M16 M4 Upper Receiver is an AR-15 upper receiver from Spikes Tactical. One store lists it, Brownells at $656.99.

Complete upper fully assembled and ready to install on an AR-15/M16/M4 lower receiver
Every component is carefully manufactured, finished, and tested to meet or exceed current military specifications to produces a reliable, smooth-functioning rifle
M4-profile, 16" barrel is chambered for military 5.56 NATO ammo; cutout for grenade/tear gas/bean bag launcher
Hard-chromed chamber and bore to resist corrosion
Barrel is high-pressure tested and magnetic particle inspected to ensure strength and durability
Extended M4 feed ramps for reliable feeding during rapid fire
Receiver top and carrier are discretely laser-etched with Spike’s Tactical spider logo
Laser-etched T-markings in rail slots won’t fade or rub off
Includes standard M4 plastic handguard A2 flash suppressor, bayonet lug, front sling swivel

AR-15, Issue:11, Page:005
Big Book Catalog, Issue:70, Page:004