Mitchell Defense DOC 18in 6mm ARC Upper Receiver Stainless Steel Barrel Jungle Green Finish M-LOK Free-Float Handguard

Name: Mitchell Defense DOC 18in 6mm ARC Upper Receiver Stainless Steel Barrel Jungle Green Finish M-LOK Free-Float Handguard
Brand: Mitchell Defense
Availability: InStock

Mitchell Defense · Upper Receiver

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Best price

$1,225.50at OpticsPlanet

In stock Sale checked Oct 13, 2026

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Where to buy

Store	Price	Availability	Buy	Add to build
OpticsPlanet	$1,225.50Salechecked Oct 13, 2026	In stock	Buy at OpticsPlanet

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Lowest in-stock price in the last 30 days: $1,225.50 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.

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Store	Latest	Lowest	Highest
OpticsPlanet	$1,225.50	$1,225.50	$1,225.50

Since Oct 12, 2026.

About this part

The Mitchell Defense DOC 18in 6mm ARC Upper Receiver Stainless Steel Barrel Jungle Green Finish M-LOK Free-Float Handguard is an 18" 6mm ARC upper receiver from Mitchell Defense. One store lists it, OpticsPlanet at $1,225.50. The lowest in-stock price in the last 30 days was $1,225.50 at OpticsPlanet.

Fits and works with

Caliber: 6mm ARC · Shop matching ammo
Bolt: 6.5 Grendel / 6mm ARC · Bolt carrier groups
Barrel length: 18" · Handguards

Specifications

Manufacturer: Mitchell Defense
Color: Green
Platform: AR-15
Caliber: 6mm ARC

From the manufacturer

Mitchell Defense DOC 18in 6mm ARC Upper Receiver Stainless Steel Barrel Jungle Green Finish M-LOK Free-Float Handguard. The billet 7075-T6 thermal-fit upper enhances rigidity and maintains consistent barrel harmonics. This model features an ArmorLube Carbon Cutter BCG equipped with a 9310 MPI bolt for reliable cycling and improved wear characteristics. A free-float M-LOK handguard provides a stable mounting interface while the E-Series Cerakote finish ensures long-term environmental durability. Ideal for shooters seeking lightweight precision in the 6mm ARC platform. Specifications for Mitchell Defense The DOC AR-15 6mm ARC 18in Upper Receiver: Manufacturer: Mitchell Defense Caliber: 6mm ARC Overall Length: 27 in Barrel Length: 18 in Barrel Profile: Standard Gas System Length: Rifle Plus Length Barrel Twist Rate: 1-7.5 Firearms Threads Per Inch: Non Threaded Muzzle Device: A2 Flash Hider Finish: Nitride Gun Model: AR-15 Fabric/Material: 7075-T6 Billet Aluminum Gun Make: AR Platform Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Country of Origin: USA Features of Mitchell Defense The DOC AR-15 6mm ARC 18in Upper Receiver Thermal-fit billet 7075-T6 upper enhances rigidity for consistent long-range accuracy ArmorLube Carbon Cutter BCG with 9310 MPI bolt improves reliability and wear resistance Free-float M-LOK handguard provides stable mounting for precision accessories E-Series Cerakote ensures superior abrasion and corrosion protection Ideal for extended-range applications requiring lightweight performance Package Contents: Mitchell Defense The DOC AR-15 6mm ARC 18in Upper Receiver What firearm models does the manufacturer say Mitchell Defense The DOC AR-15 6mm ARC 18in Upper Receiver is compatible with? The manufacturer says that Mitchell Defense The DOC AR-15 6mm ARC 18in Upper Receiver is compatible with AR-15Mitchell Defense 473331: DOC 18in 6mm ARC Upper Receiver Stainless Steel Barrel Jungle Green Finish M-LOK Free-Float Handguard