Mk18 5.56 Upper Receiver Group Complete - Mk18 10.3'''' Upper Receiver 5.56 1-7 Govt Fde
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Daniel Defense
Overview
The Daniel Defense Mk18 Upper Receiver Group is a complete assembly designed for the AR-15 platform, featuring a 10.3-inch Government profile barrel specifically chambered in 5.56 NATO. With a pistol-length gas system, this upper provides reliable cycling and optimal performance, while the 1:7 twist rate ensures stability for a wide range of bullet weights. Commonly found in builds that prioritize compactness and maneuverability, the Mk18 is ideal for close-quarters applications.
Specifications
Mk18 5.56 Upper Receiver Group Complete - Mk18 10.3'''' Upper Receiver 5.56 1-7 Govt Fde
Frequently Built With
Based on build data
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized
Daniel Defense Complete Bolt/carrier Group, M16
Eotech 3x30.5mm x 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
Troy Industries Offset Sight Set - Hk Front and Round Rear - Black
Midwest Industries, Inc. Ar-15 Combat Rifle Folding Sight Set
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
| Product | Category | Times Built Together |
|---|---|---|
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 5 | |
| Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized | 4 | |
| Daniel Defense Complete Bolt/carrier Group, M16 | 4 | |
| Eotech 3x30.5mm x 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN | 4 | |
| Troy Industries Offset Sight Set - Hk Front and Round Rear - Black | 3 | |
| Midwest Industries, Inc. Ar-15 Combat Rifle Folding Sight Set | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Pistol | 100% |
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