CMMG Upper Receiver Assembly Mk4/AR15 Forward Assist Midnight Bronze
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CMMG
Overview
The CMMG Upper Receiver Assembly Mk4 is a stripped upper receiver designed specifically for AR-15 builds, offering a solid foundation for your custom project. The midnight bronze finish adds a unique aesthetic while maintaining compatibility with standard AR-15 components. This type of upper receiver is commonly found in builds that prioritize a distinctive look without compromising on functionality.
Specifications
Frequently Built With
Based on build data
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower Receiver
Magpul AFG-2 Angled Fore Grip - Black
Foregrip
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Charging Handle
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
Lower ReceiverBuild 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 |
|---|---|---|
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 360 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 259 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 230 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 166 |
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | Charging Handle | 160 |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | Lower Receiver | 142 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 71.4% |
| .223 Wylde | 9.7% |
| 300 Blackout | 6.8% |
| .308 Win | 3.5% |
| 9mm | 2.2% |
| 6mm ARC | 1.1% |
| .450 Bushmaster | 1.1% |
| 7.62x39mm | 0.8% |
| 6.5 Grendel | 0.8% |
| .458 SOCOM | 0.6% |
| .350 Legend | 0.3% |
| 6.5 Creedmoor | 0.3% |
| .45 ACP | 0.2% |
| .50 Beowulf | 0.2% |
| .223 Remington | 0.2% |
| 5.7x28mm | 0.1% |
| .22 LR | 0.1% |
| 7.62x51 NATO | 0.1% |
| 6.8 SPC II | 0.1% |
| .204 Ruger | 0.1% |
| .224 Valkyrie | 0.1% |
| .17 HMR | 0% |
| .22 ARC | 0% |
| 8.6 Blackout | 0% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 50.2% |
| Carbine | 24.5% |
| Rifle | 12.6% |
| Pistol | 11.2% |
| Blowback | 1.2% |
| Intermediate | 0.2% |
| Proprietary | 0.1% |
Builds Featuring This Part
See all 1 →Builds in the community that include the CMMG Upper Receiver Assembly Mk4/AR15 Forward Assist Midnight Bronze
| Build | Parts | Total |
|---|---|---|
 | 26 | $1593.97 |
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