Daniel Defense

Daniel Defense 10.3" 5.56 MK18 Carbine 1:7 AR-15 Complete Upper - Black

All Daniel Defense upper receivers

2 options

Daniel Defense 10.3" 5.56 MK18 Carbine 1:7 AR-15 Complete Upper - Black - Upper Receiver for AR-15 - view 1
Daniel Defense 10.3" 5.56 MK18 Carbine 1:7 AR-15 Complete Upper - Black - Upper Receiver for AR-15 - view 2
Daniel Defense 10.3" 5.56 MK18 Carbine 1:7 AR-15 Complete Upper - Black - Upper Receiver for AR-15 - view 3
Daniel Defense 10.3" 5.56 MK18 Carbine 1:7 AR-15 Complete Upper - Black - Upper Receiver for AR-15 - view 4
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Daniel Defense

Overview

The Daniel Defense 10.3" 5.56 MK18 Carbine 1:7 AR-15 Complete Upper - Black is a upper receiver. Compare prices from multiple merchants and find the best deal.

Specifications

MPN25910
PlatformAR-15
ColorBlack
AssemblyComplete
Caliber5.56 NATO
Twist Rate1:7
Barrel Length10.3

Available Merchants(2)

Prices checked

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Dirty Bird Industries
~$9.95 est. shipping
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Out of Stock
$1,366.00
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AR15 Discounts logo
AR15 Discounts
~$9.99 est. shipping
Shipping Speed
Out of Stock
$1,366.00
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October 2026 on GunPartPicker

Daniel Defense 10.3" 5.56 MK18 Carbine 1:7 AR-15 Complete Upper - Black ranked #360 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #647 of the 2,024 upper receivers builders have added.

It was out of stock everywhere we track every time we checked in October 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $1,366 at AR15 Discounts for when it comes back.

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Frequently Built With

The part most often added in each category by the builds that include this one

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Bravo Company Mfg. Complete AR-15 Lower Receiver Assembly - Cosmetic Blem

Lower Receiverin 29% of them
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Steiner T1XI Red-Dot Sight 1x24mm - Ultra-Clear 2 MOA Dot Reflex Sight for Tactical Precision - 8800

Optic$494in 14% of them
Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized

Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized

Charging Handle$135in 29% of them
Magpul AFG-2 Angled Fore Grip - Black

Magpul AFG-2 Angled Fore Grip - Black

Foregrip$24in 29% of them
Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154"

Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154"

Trigger$213in 14% of them
SureFire Optimized AR-15 Bolt Carrier Group - 5.56 NATO

SureFire Optimized AR-15 Bolt Carrier Group - 5.56 NATO

Bolt Carrier Group$450in 14% of them

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Gas System

49.3%
Mid-Length49.3%
Carbine26.7%
Pistol11.4%
Rifle10.9%
Blowback1.4%
Other0.2%

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