R
razey.53worth it
Reviewed on January 18, 2026
machining is top notch
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Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth
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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
Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth
Available Merchants(6)
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October 2026 so far on GunPartPicker
Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth is the seventh most added upper receiver on GunPartPicker so far in October 2026, behind the PSA AR-15 Built Stealth Upper Receiver - No T Marks - 516444539, with about 2% of all upper receivers added to builds. Down from #5 in September. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
It was in stock most days in September 2026, but today only GritR Sports has it in stock. Prices barely moved in September 2026, holding around $1,544, so there haven't been real sales lately. Buying today, the lowest price is $1,621 at GritR Sports.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by hundreds of builds that include this one
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Foregrip$24in 14% of them
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
Stock & Brace$88in 9% of them
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
| Build | Parts | Total |
|---|---|---|
 | 12 | $3253.85 |
 | 12 | $2888.35 |
 | 12 | $3241.18 |
 | 29 | $5072.91 |
 | 21 | $8726.01 |
 | 7 | $2986.74 |
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