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 Stainless Steel Barrel Black Finish M-LOK Free-Float Handguard
Mitchell Defense · Upper Receiver
No ratings yetBest price
$1,225.50at OpticsPlanet
In stock Sale checked Oct 13, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $1,225.50Salechecked Oct 13, 2026 | In 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.
Price history
Lowest in-stock price in the last 30 days: $1,225.50 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.
Show the prices as a table
| 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 5.56 NATO Upper Receiver Stainless Steel Barrel Black Finish M-LOK Free-Float Handguard is an 18" 5.56 / .223 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
- 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
- Black
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Stainless Steel Barrel Black 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 473111: DOC 18in 5.56 NATO Upper Receiver Stainless Steel Barrel Black Finish M-LOK Free-Float Handguard
Similar upper receivers
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
American Defense Manufacturing .223 Wylde 16 Inch Barrel M-LOK Rail Upper Receiver Black 16 in
$1,235.00 at OpticsPlanet
In stock Sale
American Defense Manufacturing 5.56 10.5 Inch Barrel M-LOK Rail Upper Reciever Black 10.5 in
$1,235.00 at OpticsPlanet
In stock Sale
LWRCI Complete Di Upper Receiver 5.56mm 16 inch Barrel 1-7 Twist M-LOK Handguard Black 16in
$1,216.00 at OpticsPlanet
In stock Sale
DDM4V7 16" 5.56mm NATO 1-7 MFR XS M-LOK Upper
$1,244.00 at Kentucky Gun Co · 7 stores
In stock
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.