U
user_c00c0c2b
1 / 8
Daniel Defense 10.3" 5.56 NATO AR-15 Carbine Build
With the Daniel Defense MK18 5.56 Group upper receiver, Daniel Defense Bolt/carrier bolt carrier group and GEISSELE AUTOMATICS SD-E trigger.
PlannedParts list for a rifle not built yet. Photos show the parts.
Updated
12 of 12 core parts · complete
8 parts|$4087.95
Platform:AR-15Caliber:5.56 NATOGas System:CarbineLower:Daniel Defense
U
user_c00c0c2b1 / 8
Daniel Defense 10.3" 5.56 NATO AR-15 Carbine Build
With the Daniel Defense MK18 5.56 Group upper receiver, Daniel Defense Bolt/carrier bolt carrier group and GEISSELE AUTOMATICS SD-E trigger.
PlannedParts list for a rifle not built yet. Photos show the parts.
Updated
12 of 12 core parts · complete
Shop the parts$4087.95
AR pistol Specs
Platform
AR-15
Caliber
5.56 NATO
Gas System
Carbine
Lower
Daniel Defense
How this build compares to other AR pistol builds
From parts picked in GunPartPicker builds · November 2026
The Daniel Defense MK18 5.56 Group is the #2 upper receiver in AR pistol builds on GunPartPicker, picked in 6% of them.
- Upper ReceiverCompare with top pickTop pick: TacFire 7" Upper 5.56x45mm 1:825%
Often swapped for the BCM 5.56 NATO Mid-Length Bhf
- Charging HandleCompare with top pickRadian Raptor-SD OD Green#6 · 5%Top pick: Breek Arms Warhammer MOD213%
Often replaces the Aero Breach Small Levers
Start from this build, swap any part and compare live prices.
See popular AR pistol buildsAR pistol Parts List(8 parts)
Est. Total
$4087.95
Lower Receiver
$499.99In Stock
Assembly: Complete
Platform: AR-15
Controls: Ambidextrous
Caliber: Multi
Upper Receiver
$1454.00In Stock
Finish: Cerakote
Gas System Length: Pistol
Barrel Length: 10.3
Barrel Profile: Government
Thread Pitch: 1/2x28
Receiver Type: A4
Assembly: Complete
Color: FDE
Platform: AR-15
Caliber: 5.56 NATO
Twist Rate: 1:7
Charging Handle
Hand: Ambidextrous
Color: Black
Finish: Hardcoat Anodized
Material: Aluminum
Latch Style: Extended
Platform: AR-15
Bolt Carrier Group
Style: M16 Bolt Carrier
Caliber: 5.56 NATO
Finish: Matte Black
Trigger
$210.99In Stock
Platform: AR-15/AR-10
Adjustable: No
Material: Aluminum
Trigger Bow: Flat
Type: Two-Stage
Suppressor
$1299.99In Stock
Caliber: 5.56 NATO
Mount Type: KeyMo
Material: Titanium
Optic
Optic Type: Red Dot
Reticle Color: Green
Dot Size: 2 MOA
Color: Black
Iron Sights
Material: 6061-T6 Aluminum
Position: Set
Fixed Folding: Fixed
Color: Black
Style: Fixed
Estimated Build Total
$4087.95Other Builds Using These Parts
Browse all builds →Community builds that share parts with this one — compare specs and pricing
| Build | Shared | Total |
|---|---|---|
 | 2 parts | $6819.32 |
 | 1 part | $18813.84 |
 | 1 part | $6970.91 |
 | 1 part | $3266.46 |
 | 1 part | $4049.22 |
 | 1 part | $4678.42 |
 | 1 part | $3138.77 |
 | 1 part | $1913.97 |