Daniel Defense 11.5" 5.56 NATO 1:7 Carbine AR-15 Complete Upper - 10" MFR XS M-LOK Rail
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Daniel Defense
Overview
The Daniel Defense 11.5" 5.56 NATO Complete Upper Receiver features a carbine-length gas system and a 1:7 twist rate, making it suitable for a variety of bullet weights and enhancing accuracy at different distances. With an 11.5-inch barrel, this upper is designed for maneuverability while maintaining effective performance in close-quarters engagements. This setup is commonly found in builds focused on compact versatility, particularly in scenarios that prioritize a lightweight and agile platform.
Specifications
Daniel Defense 11.5" 5.56 NATO 1:7 Carbine AR-15 Complete Upper - 10" MFR XS M-LOK Rail
Available Merchants(8)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
Daniel Defense 11.5" 5.56 NATO 1:7 Carbine AR-15 Complete Upper - 10" MFR XS M-LOK Rail ranks #11 of the 556 upper receivers builders have added on GunPartPicker so far in October 2026, behind the Tacfire 18" Complete Upper Assembly .308 Win 1:10, Black - BU-308-18, with about 1% of all upper receivers added to builds. That's its 2nd straight month at #11. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, but today 3 of the 8 retailers we track have it in stock. It dipped to $1,099.99 at Sportsmans Outdoor Superstore for a stretch in September 2026, well under its usual $1,244, so sales do come around. Buying today, the lowest price is $1,099.99 at Sportsmans Outdoor Superstore, which matches the best price we saw in September.
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
Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Bravo Company M16 Bolt Carrier Group Black
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
Builds Featuring This Part
See all 4 →Builds in the community that include the Daniel Defense 11.5" 5.56 Nato 1:7 Carbine Ar-15 Complete Upper - 10" Mfr Xs M-Lok Rail
| Build | Parts | Total |
|---|---|---|
 | 5 | $1780.46 |
 | 12 | $5442.75 |
 | 7 | $2175.97 |
 | 22 | $2831.78 |
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