Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth

Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth - Upper Receiver for AR-15 - view 1
Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth - Upper Receiver for AR-15 - view 2
Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth - Upper Receiver for AR-15 - view 3
Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth - Upper Receiver for AR-15 - view 4
Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth - Upper Receiver for AR-15 - view 5
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Daniel Defense

Overview

The Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper is a ready-to-install assembly that comes with a 14.5-inch barrel chambered in 5.56 NATO, offering a carbine-length gas system for reliable cycling. The 1:7 twist rate ensures optimal stabilization of a wide range of bullet weights, making it versatile for various ammunition types. This upper is commonly found in builds that prioritize a compact, lightweight configuration while maintaining effective performance in 5.56 NATO caliber.

Specifications

MPN23-004-13150
Twist Rate1:7
PlatformAR-15
Barrel Length14.5
Caliber5.56 NATO
Gas System LengthCarbine
AssemblyComplete
ColorFDE

Available Merchants(6)

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Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

100%
5.56 NATO100%

Gas System

100%
Carbine100%
Frequently Built With Products
ProductCategoryTimes Built Together
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green41
Lmt Mars-Ls Pdw Complete Ambidextrous Ar-15 Lower Receiver29
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger28
Eotech 3x30.5mm x 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN20
Magpul AFG-2 Angled Fore Grip - Black18
Bravo Company M16 Bolt Carrier Group Black16
Build Platform Breakdown
PlatformPercentage
AR-15100%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO100%
Build Gas System Breakdown
Gas SystemPercentage
Carbine100%

Builds Featuring This Part

See all 6

Builds in the community that include the Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth

BuildPartsTotal
16" aero precision recce
12$3134.18
Foxtrot mike products 18" build
12$3099.52
Aero Precision 16" 5.56
12$3112.47
16" radian weapons build
29$4824.70
radian weapons 15" 5.56
21$8593.88
For nothing in particular 10.3"
7$2840.96

Customer reviews

4.5out of 5

2 global ratings

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Top reviews

L
LD33.11
DD 14.5 M4A1 FDE batches
Reviewed on April 24, 2026Verified with Build

Daniel Defense 14.5 inch 5.56 M4A1 complete upper in FDE shows DDs typical quality. The FDE anodize varies slightly between production batches - mine matches a recent run but an older DD FDE looks slightly different in side by side.

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R
razey.53
worth it
Reviewed on January 18, 2026Verified with Build

machining is top notch

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