Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only
$1,129.95 at Ammunition Depot · 6 stores
In stock
Assembled M4-L89 5.56x45 NATO 13.9"bbl 13.75" L89 Rail W/ASR
Sons Of Liberty Gun Works · Upper Receiver
No ratings yetBest price
$1,116.25at Brownells
Out of stock checked Oct 23, 2026
In stock now instead
- Mk114 Mod 1-M 223 Wylde 14.5" Bbl Complete Upper Thread Only $1,129.95at Ammunition Depot
- Exclusive Mk1 Alpha LT 223 Wylde 14.5"bbl 11.5" MLOK Hdgd Kodia… $1,133.49at Ammunition Depot
- Patriot Ordnance Factory P415 Edge 16.5" Complete Upper 5.56x45… $1,093.19at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $1,116.25checked 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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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $1,116.25 | $1,116.25 | $1,116.25 |
Since Sep 28, 2026.
About this part
The Assembled M4-L89 5.56x45 NATO 13.9"bbl 13.75" L89 Rail W/ASR is an AR-15 complete upper receiver from Sons Of Liberty Gun Works. One store lists it, Brownells at $1,116.25.
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
- 13.9" · Handguards
- Handguard length
- 13.75" · Barrels
Specifications
- Manufacturer
- Sons Of Liberty Gun Works
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
The SOLGW M4-L89 Upper Half comes with SOLGW's Cold Hammer Forged version of their Combat Barrel and L89 Rail, and is available in 10.5", 11.5", 13.7", 13.9" and 14.5" 5.56, with Huxwrx, NOX or ASR muzzle devices. No BCG or C/H * 13.7", 13.9", and 14.5" barrels come pinned and welded flash hiders for OAL of 16"* Mfg: Sons Of Liberty Gun Works
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