Parts by category

Daniel Defense AR-15 MK18 10.3" FDE
Daniel Defense AR-15 MK18 10.3" FDE
Daniel Defense AR-15 MK18 10.3" FDE
Daniel Defense AR-15 MK18 10.3" FDE

Daniel Defense AR-15 MK18 10.3" FDE

Daniel Defense · Upper Receiver

No ratings yet

Best price

$1,527.00at MidwayUSA

In stock checked Oct 1, 2026

Buy at MidwayUSA

Compare 4 stores

Where to buy

StorePriceAvailabilityBuyAdd to build
MidwayUSA Best price $1,527.00checked Oct 1, 2026 In stock Buy at MidwayUSA
Rainier Arms $1,146.00not checked recently Check store Buy at Rainier Arms
Battlehawk Armory $1,279.99Salechecked Oct 1, 2026 Check store Buy at Battlehawk Armory
Brownells $1,527.00checked Oct 1, 2026 Out of stock Buy at Brownells

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: $1,527.00 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 27, 2026.

Show the prices as a table
StoreLatestLowestHighest
Battlehawk Armory$1,279.99$1,279.99$1,279.99
Brownells$1,527.00$1,527.00$1,527.00
MidwayUSA$1,527.00$1,527.00$1,527.00

Since Sep 27, 2026.

About this part

The Daniel Defense AR-15 MK18 10.3" FDE is a 10.3" 5.56 / .223 upper receiver from Daniel Defense. It's sold by 4 stores (1 in stock), from $1,146.00 to $1,527.00. The lowest in-stock price in the last 30 days was $1,527.00 at MidwayUSA.

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
10.3" · Handguards

Specifications

Manufacturer
Daniel Defense
Platform
AR-15
Caliber
.223 / 5.56
Barrel length
10.3"

From the manufacturer


Rail Color: FDE
The Daniel Defense M4 URG, MK18 comes complete with bolt carrier group and charging handle, 10.3" Cold Hammer Forged Barrel, RIS II MK18 Rail System, and Daniel Defense low profile gas block.
The Daniel Defense complete upper receiver groups come complete with bolt carrier group and charging handle while the stripped upper receiver group does not. The uppers are available with various choices of rail systems. The Daniel Defense M4 Upper Receiver Groups are light weight and rugged that are ready for action.
The barrels on our upper receiver groups are all constructed from 4150 MP tested steel and are chrome lined.
Materials & Construction
Precision crafted from the highest quality material available today with meticulous attention to detail, The Daniel Defense M4 Upper Receiver Groups will prove to be the standard in the industry.

Upper Receiver: Mil-Spec with Indexing Marks and M4 Feed Ramps
Barrel: 10.3" Cold Hammer Forged, 5.56 NATO Chamber, 1:7 Twist, Govt Profile, Carbine Gas Port, Chrome Lined, Mil Spec Heavy Phosphate Coated, HP and MPI tested
Chamber: 5.56 NATO
Flash Hider: A2 Birdcage Flash Hider
Bolt Carrier Group: Mil-Spec MP Tested, Properly Staked Gas Key
Handguard: RIS II MK18
Rail Cover: (3) Daniel Defense low profile rail ladders
Made in the USA!

Similar upper receiver

Rating

No ratings yet

Log in to rate this part.

Comments

Please log in to read and leave comments.

$1,527.00 at MidwayUSA
Buy