Mitchell Defense DOC 12.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard
$1,225.50 at OpticsPlanet
In stock Sale
Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard
Mitchell Defense · Upper Receiver
No ratings yetBest price
$2,137.50at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Mitchell Defense DOC 12.5in 5.56 NATO Upper Receiver Cold Hamme… $1,225.50at OpticsPlanet
- Mitchell Defense DOC 12.5in 5.56 NATO Upper Receiver Cold Hamme… $1,225.50at OpticsPlanet
- HK MR556A4 11" 5.56mm Upper Kit $2,179.00at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $2,137.50Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet |
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.
Mitchell Defense DOC 12.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard
$1,225.50 at OpticsPlanet
In stock Sale
HK MR556A4 11" 5.56mm Upper Kit
$2,179.00 at MidwayUSA · 4 stores
In stock
Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 17.5 in Barrel Custom Intermediate 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE
$2,069.95 at OpticsPlanet · 2 stores
In stock Sale
Radian Weapons 16" Complete Upper .223 Wylde 1:8, Black
$2,029.95 at Ammunition Depot · 5 stores
In stock
VKTR Industries VK-1 5.56x45mm NATO 11.5 inch Upper Receiver Heavy Carbine Length 1-7 Twist Armor Black
$1,799.00 at OpticsPlanet · 2 stores
In stock
Price history
Dashed line = out of stock. Tracking since Oct 15, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $2,137.50 | $2,137.50 | $2,137.50 |
Since Oct 15, 2026.
About this part
The Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard is an 18" 5.56 / .223 upper receiver from Mitchell Defense. One store lists it, OpticsPlanet at $2,137.50.
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
- 18" · Handguards
Specifications
- Manufacturer
- Mitchell Defense
- Color
- Flat Dark Earth
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard. 56 NATO Upper Receiver is optimized for lightweight precision and heat efficiency. Its barrel reduces overall weight while maintaining excellent thermal control and accuracy. The billet 7075-T6 thermal-fit receiver increases structural strength and promotes repeatable barrel harmonics. The ArmorLube Carbon Cutter BCG with Carpenter 158 HP/MPI bolt ensures dependable performance with enhanced carbon resistance. A free-float M-LOK handguard offers stability and modularity. Finished in E-Series Cerakote this upper is an excellent choice for precision-focused shooters seeking a lightweight 18in platform. Specifications for Mitchell Defense The DOC AR-15 5.56mm NATO 18in Upper Receiver: Manufacturer: Mitchell Defense Caliber: 5.56x45mm NATO Overall Length: 27 in Barrel Length: 18 in Barrel Profile: Standard Gas System Length: Rifle Length Firearms Threads Per Inch: Non Threaded Muzzle Device: A2 Flash Hider Finish: Nitride Gun Model: AR-15 Fabric/Material: 4150 CrMoV 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 5.56mm NATO 18in Upper Receiver Thermal-fit billet 7075-T6 upper strengthens barrel interface and improves accuracy Carbon Cutter ArmorLube BCG with C158 HP/MPI bolt ensures consistent operation Free-float M-LOK handguard provides stable mounting for accessories E-Series Cerakote protects against corrosion and wear Excellent lightweight option for precision-oriented 18" builds Package Contents: Mitchell Defense The DOC AR-15 5.56mm NATO 18in Upper Receiver What firearm models does the manufacturer say Mitchell Defense The DOC AR-15 5.56mm NATO 18in Upper Receiver is compatible with? The manufacturer suggests that Mitchell Defense The DOC AR-15 5.56mm NATO 18in Upper Receiver is compatible with AR-15Mitchell Defense 474211: DOC 18in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.