Home / AR Parts / Mitchell Defense
Mitchell Defense DOC 12.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 5.56 NATO 12.5in Upper Receiver M-LOK

$1,225.5 1 in stock at 1 retailers

Compare Deals from 1 Retailers

Sorted by lowest price

Specifications

Model
MPN
442111
UPC
850073456446
MSRP
$1,225.5
Action
Semi-Auto
Barrel Length
12.5"
Overall Length
21"
Finish
Cerakote E-Series

Description

Mitchell Defense DOC 12.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard. 5in CHF 5.56 NATO Upper Receiver in Black offers a balance between compact handling and improved velocity over shorter barrels. The 7075-T6 billet receiver features a thermal-fit barrel seat that enhances stability and accuracy. The cold hammer forged chrome-lined 12.5in barrel provides superior durability and heat resistance for sustained firing schedules. The ArmorLube Carbon Cutter BCG built around a Carpenter 158 HP/MPI bolt delivers smooth cycling and reduced wear. The M-LOK free-float handguard offers modular accessory mounting while the E-Series Cerakote finish adds long-lasting protection. This upper is ideal for professional defensive and training applications. Specifications for Mitchell Defense The DOC AR-15 5.56mm NATO 12.5in Upper Receiver: Manufacturer: Mitchell Defense Caliber: 5.56x45mm NATO Overall Length: 21 in Barrel Length: 12.5 in Barrel Profile: Standard Gas System Length: Carbine Length Barrel Twist Rate: 1-7 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 12.5in Upper Receiver Thermal-fit billet 7075-T6 upper enhances barrel stability for tighter accuracy Carbon Cutter ArmorLube BCG with C158 HP/MPI bolt delivers high reliability under heavy use Free-float M-LOK handguard allows stable modular accessory placement E-Series Cerakote protects against corrosion and abrasion Excellent upper for users needing increased downrange energy without sacrificing mobility Package Contents: Mitchell Defense The DOC AR-15 5.56mm NATO 12.5in Upper Receiver What firearm models does the manufacturer say Mitchell Defense The DOC AR-15 5.56mm NATO 12.5in Upper Receiver is compatible with? The manufacturer suggests that Mitchell Defense The DOC AR-15 5.56mm NATO 12.5in Upper Receiver is compatible with AR-15Mitchell Defense 442111: DOC 12.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard

Similar Products

Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.