ARAK-21 5.56 NATO Complete Upper Receiver 16" Medium Bbl BLK
$919.08 at Kentucky Gun Co · 5 stores
In stock
ARAK-21 5.56 NATO Complete Upper Rcvr 12.5" Medium Bbl BLK
Faxon Firearms · Upper Receiver
No ratings yetBest price
$919.08at Brownells
Out of stock checked Oct 24, 2026
In stock now instead
- ARAK-21 5.56 NATO Complete Upper Receiver 16" Medium Bbl BLK $919.08at Kentucky Gun Co
- LanTac USA LLC Urban Tactical Complete Upper Receiver 223 Wylde… $917.49at OpticsPlanet
- APF Armory 5.56 NATO Pistol 2.0 Complete Upper Receiver Armor B… $899.00at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $919.08checked Oct 24, 2026 | Out of stock | Buy at Brownells | |
| Kentucky Gun Co | $919.08checked Oct 24, 2026 | Out of stock | Buy at Kentucky Gun Co | |
| OpticsPlanet | $920.00Salechecked Oct 23, 2026 | Out of stock | Buy at OpticsPlanet | |
| MidwayUSA | $920.00checked Oct 24, 2026 | Out of stock | Buy at MidwayUSA |
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.
LanTac USA LLC Urban Tactical Complete Upper Receiver 223 Wylde 11.5" Barrel Fits AR-15 Anodized Finish Black
$917.49 at OpticsPlanet · 2 stores
In stock Sale
APF Armory 5.56 NATO Pistol 2.0 Complete Upper Receiver Armor Black
$899.00 at MidwayUSA · 2 stores
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MRP-L M-LOK Shovelnose 5.56mm 11.5" Assembled Upper Receiver
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MRP-L M-LOK Specwar 5.56mm 11.5" Assembled Upper Receiver
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APF Armory LE001 5.56 NATO SBR Complete Upper Receiver Armor Black
$945.00 at MidwayUSA · 2 stores
In stock
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $919.08 | $919.08 | $919.08 |
| Kentucky Gun Co | $919.08 | $919.08 | $919.08 |
| MidwayUSA | $920.00 | $920.00 | $920.00 |
| OpticsPlanet | $920.00 | $874.00 | $920.00 |
Since Sep 28, 2026.
About this part
The ARAK-21 5.56 NATO Complete Upper Rcvr 12.5" Medium Bbl BLK is an AR-15 complete upper receiver from Faxon Firearms. It's sold by 4 stores, from $919.08 to $920.00.
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
Specifications
- Manufacturer
- Faxon Firearms
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
ARAK-21A(R) Features Components of the ARAK-21A(R) Upper Receiver: The ARAK-21A(R) is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform. The total extent of the interface is simply the take down pin, and the pivot pin. The new ARAK-21A(R) upper receiver offers you all its features with no change to your current lower receiver and can be installed in less than one minute with no tools. Your ARAK-21A(R) upper receiver will be shipped to you with one "Barrel Assembly Unit" (BAU), or two, depending on which package you purchase. The BAU is comprised of the barrel, gas block, muzzle brak Mfg: Faxon Firearms
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