CMMG

Ar-15 Mk3 Ejection Port Cover Kit

CMMG Ar-15 Mk3 Ejection Port Cover Kit - Dust Cover for AR-15 - view 1
CMMG Ar-15 Mk3 Ejection Port Cover Kit - Dust Cover for AR-15 - view 2
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CMMG

Overview

The CMMG AR-15 Mk3 Ejection Port Cover Kit is a durable component designed to keep your firearm's action clean and free from debris by covering the ejection port when not in use. Made from steel, this black dust cover provides reliable performance and protection, ensuring that your rifle functions smoothly in various conditions. This part is commonly found in builds featuring a mid-length gas system and chambered in .223 Wylde, making it a practical choice for those configurations.

Specifications

MPN38BA538
ColorBlack
MaterialSteel

Available Merchants(6)

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Classic Firearms
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$14
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$15
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Optics Planet
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Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

86.9%
AR-1586.9%
AR-1011%
AR-92.1%

Caliber

65.6%
5.56 NATO65.6%
.223 Wylde16.4%
300 Blackout6.4%
.308 Win4.6%
6mm ARC1.2%
Other5.6%

Gas System

46.4%
Mid-Length46.4%
Carbine27.3%
Rifle15.8%
Pistol9.3%
Intermediate0.5%
Other0.8%
Frequently Built With Products
ProductCategoryTimes Built Together
Wilson Combat Ar-15 Lo-Profile Gas Block .750" BlackGas Block98
Wmd Guns Ar-15 Gas Tube Nitromet Mid-LengthGas Tube92
Radian Forward Assist - 7075 Aluminum - BlackForward Assist83
Wmd Guns Nitromet Ar-15 Bolt CatchBolt Catch67
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BKTakedown Pin66
Magpul AFG-2 Angled Fore Grip - BlackForegrip64
Build Platform Breakdown
PlatformPercentage
AR-1586.9%
AR-1011%
AR-92.1%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO65.6%
.223 Wylde16.4%
300 Blackout6.4%
.308 Win4.6%
6mm ARC1.2%
.450 Bushmaster1.2%
6.5 Grendel0.8%
7.62x39mm0.6%
9mm0.6%
.223 Remington0.6%
.458 SOCOM0.4%
7.62x51 NATO0.4%
.50 Beowulf0.4%
.204 Ruger0.2%
.22 ARC0.2%
6.8 SPC II0.2%
Build Gas System Breakdown
Gas SystemPercentage
Mid-Length46.4%
Carbine27.3%
Rifle15.8%
Pistol9.3%
Intermediate0.5%
Blowback0.5%
Proprietary0.3%

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