Faxon Firearms Complete Upper Receiver ARAK-21 16in 5.56 MuzzLok Sand
$989.99 at OpticsPlanet
In stock Sale
ARAK-21 5.56 NATO Complete Upper Receiver 16" Medium Bbl BLK
Faxon Firearms · Upper Receiver
No ratings yetBest price
$919.08at Ammunition Depot
In stock Lowest in 30 dayschecked Nov 13, 2026
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
- 16" · Handguards
Specifications
- Manufacturer
- Faxon Firearms
- Color
- Black
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Ammunition Depot Best price | $919.08checked Nov 13, 2026 | In stock | Buy at Ammunition Depot | |
| Kentucky Gun Co | $957.38checked Nov 13, 2026 | In stock | Buy at Kentucky Gun Co | |
| Battlehawk Armory | $867.88Salechecked Nov 13, 2026 | Check store | Buy at Battlehawk Armory | |
| AR15Discounts 5% off | $920.00checked Nov 13, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $920.00checked Nov 13, 2026 | Check store | Buy at Dirty Bird | |
| GrabAGun | $920.00Salechecked Nov 13, 2026 | Check store | Buy at GrabAGun | |
| Faxon Firearms | $1,199.00checked Nov 13, 2026 | Check store | Buy at Faxon Firearms | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $919.08checked Nov 13, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $920.00Salechecked Nov 13, 2026 | Out of stock | Buy at OpticsPlanet | |
| MidwayUSA | $920.00checked Nov 13, 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.
Price history
Lowest in-stock price in the last 30 days: $919.08 at Ammunition Depot. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $920.00 | $920.00 | $920.00 |
| Ammunition Depot | $919.08 | $919.08 | $919.08 |
| Battlehawk Armory | $867.88 | $867.88 | $867.88 |
| Brownells | $919.08 | $919.08 | $919.08 |
| Dirty Bird | $920.00 | $920.00 | $920.00 |
| Faxon Firearms | $1,199.00 | $1,199.00 | $1,199.00 |
| GrabAGun | $920.00 | $920.00 | $989.99 |
| Kentucky Gun Co | $957.38 | $919.08 | $957.38 |
| 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 Receiver 16" Medium Bbl BLK is an AR-15 complete upper receiver from Faxon Firearms. It's sold by 10 stores (2 in stock), from $867.88 to $1,199.00. The lowest in-stock price in the last 30 days was $919.08 at Ammunition Depot.
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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