Z
ZACHBERRY1118excellent
Reviewed on January 28, 2026
tight fit between upper and lower
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Black Rain Ordnance Ejection Port Cover Assembly - .223
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Black Rain Ordnance
Overview
The Black Rain Ordnance Ejection Port Cover Assembly is designed to keep debris out of your AR-15's action, ensuring reliable operation. Made from 6061-T6 aluminum and featuring a sleek black finish, this dust cover not only protects the internals but also adds a streamlined look to your build. This component is commonly found in mid-length gas system builds chambered in 5.56 NATO, making it a practical choice for those setups.
Specifications
MPNBRO-EDC
ColorBlack
Material6061-T6 Aluminum
Frequently Built With
Based on build data
Wilson Combat Ar-15 Billet Upper Receiver
Diamondback Firearms 5.56 Ar-15 Bolt Carrier Group - Nitride
Bolt Carrier Group
Yankee Hill Machine Co., Inc. Ar-15 Gas Tube Black Rifle
Wilson Combat Tactical Triggerguard
Bravo Company M16 Bolt Carrier Group Black
Bravo Company Mfg Mod 1 Pistol Grip for AR-15 Rifle, Black - GFGMOD1BLK
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.
85.7%
AR-1585.7%
AR-1014.3%
CaliberBased on real build data showing which calibers builders choose alongside this product.
62.5%
5.56 NATO62.5%
300 Blackout12.5%
.223 Wylde12.5%
6mm ARC12.5%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
33.3%
Mid-Length33.3%
Carbine33.3%
Pistol16.7%
Rifle16.7%
| Product | Category | Times Built Together |
|---|---|---|
| Wilson Combat Ar-15 Billet Upper Receiver | 4 | |
| Diamondback Firearms 5.56 Ar-15 Bolt Carrier Group - Nitride | Bolt Carrier Group | 3 |
| Yankee Hill Machine Co., Inc. Ar-15 Gas Tube Black Rifle | 3 | |
| Wilson Combat Tactical Triggerguard | 3 | |
| Bravo Company M16 Bolt Carrier Group Black | 3 | |
| Bravo Company Mfg Mod 1 Pistol Grip for AR-15 Rifle, Black - GFGMOD1BLK | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 85.7% |
| AR-10 | 14.3% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 62.5% |
| 300 Blackout | 12.5% |
| .223 Wylde | 12.5% |
| 6mm ARC | 12.5% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 33.3% |
| Carbine | 33.3% |
| Pistol | 16.7% |
| Rifle | 16.7% |
Builds Featuring This Part
See all 5 →Builds in the community that include the Black Rain Ordnance Ejection Port Cover Assembly - .223
| Build | Parts | Total |
|---|---|---|
 | 30 | $7680.70 |
 | 12 | $1058.58 |
 | 16 | $1106.35 |
 | 24 | $2292.08 |
 | 30 | $3069.87 |
Customer reviews
5.0out of 5
1 global rating