MRP-L M-LOK Shovelnose 5.56mm 11.5" Assembled Upper Receiver
$940.50 at Brownells
In stock
ARAK-21 5.56 NATO Complete Upper Receiver 16" Medium Bbl BLK
Faxon Firearms · Upper Receiver
No ratings yetBest price
$1,199.00at Faxon Firearms
checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Faxon Firearms Best price | $1,199.00checked Oct 1, 2026 | Check store | Buy at Faxon Firearms | |
| Brownells | $919.08checked Oct 1, 2026 | Out of stock | Buy at Brownells | |
| OpticsPlanet | $920.00Salechecked Oct 1, 2026 | Out of stock | Buy at OpticsPlanet | |
| MidwayUSA | $920.00checked Oct 1, 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
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 |
| Faxon Firearms | $1,199.00 | $1,199.00 | $1,199.00 |
| MidwayUSA | $920.00 | $920.00 | $920.00 |
| OpticsPlanet | $920.00 | $920.00 | $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 4 stores, from $919.08 to $1,199.00.
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
- 16" · 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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