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Faxon Firearms Complete Upper Receiver ARAK-21 16in 5.56 MuzzLok Sand

Faxon Firearms Complete Upper Receiver ARAK-21 16in 5.56 MuzzLok Sand

Faxon Firearms · Upper Receiver

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Best price

$1,079.99at OpticsPlanet

In stock Sale checked Nov 3, 2026

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Where to buy

StorePriceAvailabilityBuyAdd to build
OpticsPlanet $1,079.99Salechecked Nov 3, 2026 In stock Buy at OpticsPlanet

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Price history

Lowest in-stock price in the last 30 days: $1,079.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 31, 2026.

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Since Oct 31, 2026.

About this part

The Faxon Firearms Complete Upper Receiver ARAK-21 16in 5.56 MuzzLok Sand is an AR-15 complete upper receiver from Faxon Firearms. One store lists it, OpticsPlanet at $1,079.99. The lowest in-stock price in the last 30 days was $1,079.99 at OpticsPlanet.

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
Type
Complete
Platform
AR-15
Caliber
5.56 mm NATO

From the manufacturer

Faxon Firearms Complete Upper Receiver ARAK-21 16in 5.56 MuzzLok Sand. Faxon Firearms built these AR15 Upper Receivers with an ambidextrous charging handle and safety selector to suit both left and righthanded marksmen. Machined from aircraft-grade aluminum in a one-piece design these AR15 uppers are incredibly durable and are compatible with folding stocks. The top Picatinny rail is T-marked for precise optic mounting and the three additional rails make it a complete quad rail upper that can be customized with weapon lights laser sights and other accessories. With no change to your lower receiver you can instantly install the ARAK-21 without the use of tools. Create your perfect AR platform with the Faxon Firearms ARAK-21 complete upper. Specifications for Faxon Firearms ARAK-21 Complete Upper Receiver: Manufacturer: Faxon Firearms Overall Length: 21.5 in Barrel Profile: Medium Gas System Length: Rifle Length Barrel Twist Rate: 1-8 Handguard Style: Quad Rail Gun Rail: Quad Rail Gun Type: Rifle Gun Make: AR Platform Gun Model: AR-15 Magazine Included: No Condition: New Mount Type: Picatinny Features of Faxon Firearms ARAK-21 Complete Upper Receiver: Ambi Non-Reciprocating Forward Charging Handle Ambi Safety/Selector Bufferless System Quad Rail MuzzLok Muzzle Device Variable-Setting Gas System Self-Contained Firing Pin Retention System Steel Rail System for Bolt Carrier Caliber Conversions Available Package Contents: Faxon Firearms ARAK-21 Complete Upper Receiver Shipping Box Manual BAU Removal Tools Bolt(s) And Firing Pin(s) for Ordered Calibers Recoil Spring(s) for Ordered Calibers What firearm models does the manufacturer say OpticsPlanet Exclusive Faxon Firearms ARAK-21 Complete Upper Receiver is compatible with? The manufacturer suggests that OpticsPlanet Exclusive Faxon Firearms ARAK-21 Complete Upper Receiver is compatible with AR-15Faxon Firearms URSSB556-OP-SND: Complete Upper Receiver ARAK-21 16in 5.56 MuzzLok Sand

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$1,079.99 at OpticsPlanet
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