Assembled M4-89 5.56x45 NATO 12.5" Bbl 11.5" M89 Rail W/A2 Flash Hider

Name: Assembled M4-89 5.56x45 NATO 12.5" Bbl 11.5" M89 Rail W/A2 Flash Hider
Brand: Sons Of Liberty Gun Works
Availability: OutOfStock

Sons Of Liberty Gun Works · Upper Receiver

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Best price

$855.00at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$855.00checked Oct 1, 2026	Out of stock	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$855.00	$855.00	$855.00

Since Sep 28, 2026.

About this part

The Assembled M4-89 5.56x45 NATO 12.5" Bbl 11.5" M89 Rail W/A2 Flash Hider is an AR-15 complete upper receiver from Sons Of Liberty Gun Works. One store lists it, Brownells at $855.00.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 12.5" · Handguards
Handguard length: 11.5" · Barrels

Specifications

Manufacturer: Sons Of Liberty Gun Works
Type: Complete
Platform: AR-15
Caliber: 5.56 mm NATO

From the manufacturer

The SOLGW M4-89 Upper Half comes with SOLGW's Combat Barrel and M89 Rail, and is available in 12.5" and 13.7" 5.56, with A2, NOX or ASR muzzle devices. No BCG or C/H *13.7" barrels come pinned and welded flash hiders for OAL of 16"* Mfg: Sons Of Liberty Gun Works