APF Armory .300 AAC Blackout Pistol 2.0 Complete Upper Receiver Armor Black
$852.00 at MidwayUSA · 2 stores
In stock
Assembled M4-Exo 300 AAC Blackout 13.9" Bbl 13" Exo3 Rail W/Nox Brake
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
- APF Armory .300 AAC Blackout Pistol 2.0 Complete Upper Receiver… $852.00at MidwayUSA
- Brn-180 Gen 3 Upper Receiver, 9" Bbl, .300 Blackout, Black $959.99at Brownells
- Rock River Arms Completed Upper Receiver Coyote Carbine .300 AA… $667.24at MidwayUSA
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.
Similar upper receivers in stock
This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Brn-180 Gen 3 Upper Receiver, 9" Bbl, .300 Blackout, Black
$959.99 at Brownells
In stock Sale
Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash
$667.24 at MidwayUSA · 5 stores
In stock Sale
Patriot Ordnance Factory Renegade Plus 10.5" Complete Upper .300 AAC Blackout 1:7, Black
$1,053.50 at Kentucky Gun Co · 6 stores
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Patriot Ordnance Factory P415 Edge 10.5" Complete Upper .300 AAC Blackout, Black
$1,093.19 at Kentucky Gun Co · 7 stores
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Bilson Arms BA-15FC 300 Blackout 12.5in Forward Complete Upper Assembly Pistol Length 1-7 Twist 5/8-24 TPI Sniper Green/Grey
$1,144.00 at OpticsPlanet
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-Exo 300 AAC Blackout 13.9" Bbl 13" Exo3 Rail W/Nox Brake 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
- 300 Blackout · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Barrel length
- 13.9" · Handguards
- Handguard length
- 13" · Barrels
Specifications
- Manufacturer
- Sons Of Liberty Gun Works
- Type
- Complete
- Platform
- AR-15
- Caliber
- 300 Blackout
From the manufacturer
The SOLGW M4-EXO3 Upper Half comes with SOLGW's Combat Barrel and EXO3 Rail, and is available in 13.9" 300blk with pinned and welded NOX brake to bring OAL to over 16" No BCG or C/H. Mfg: Sons Of Liberty Gun Works
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