Starter East India 5.56x45 Assembled Upper Medium 16" Bbl W/Rail
$475.00 at Brownells
In stock
Assembled M4-89 5.56x45 NATO 12.5" Bbl 11.5" M89 Rail W/A2 Flash Hider
Sons Of Liberty Gun Works · Upper Receiver
No ratings yetBest price
$855.00at Brownells
Out of stock checked Oct 23, 2026
In stock now instead
- Starter East India 5.56x45 Assembled Upper Medium 16" Bbl W/Rail $475.00at Brownells
- Rock River Arms Completed Upper Receiver X-1 .223 Wylde 18 Inch… $835.99at MidwayUSA
- Patriot Ordnance Factory Minuteman 10.5" Complete Upper 5.56x45… $885.49at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $855.00checked Oct 23, 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.
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This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
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In stock Sale
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| 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
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