Description
MPN: 55BA6C8
Features:
Lightweight Polymer Construction: Durable polymer design reduces weight compared to traditional steel dust covers
Streamlined ZEROED Styling: Modern, clean appearance enhances the look of custom AR-15 builds
Reliable Debris Protection: Helps keep dirt, dust, and debris out of the chamber when the rifle is not in use
Durable & Impact Resistant: Rigid polymer construction built to handle regular use without unnecessary weight
Complete Installation Kit: Includes the components needed for straightforward installation on compatible AR-15 upper receivers
Perfect for Lightweight Builds: Ideal upgrade for rifles where reducing weight and maintaining reliability are priorities
Lifetime Quality Guarantee: Backed by CMMGs Lifetime Quality Guarantee against material and workmanship defects
Specifications:
Material: Polymer
Weight: 0.46 oz.
Compatibility:
AR-15
Includes:
1x CMMG Polymer AR-15 Dust Cover Kit
1x Dust Cover Rod with C-Clip
1x Dust Cover Spring
Details:
The CMMG Polymer AR-15 Dust Cover Kit keeps the same function every AR owner expects, but replaces the traditional stamped steel door with a lightweight polymer version. Its a small change, but one that trims a bit of weight from the upper while still protecting the action from dust, dirt, and debris when the rifle isnt in use.
For most shooters, the dust cover is something you never think about until its missing or damaged. This version keeps the rifle sealed up the same way a standard ejection port door does, opening automatically when the bolt cycles and snapping closed when needed.
Built For Standard AR-15 Upper Receivers
The kit is designed to fit standard AR-15 pattern upper receivers, making it suitable for most common builds and replacements. Whether you’re assembling a new upper or swapping out a worn factory cover, it installs using the same basic setup shooters are already familiar with.
The polymer construction resists corrosion and keeps the cover lightweight while maintaining the rigidity needed to stay closed until the action opens it.
Complete Kit For Installation
This is a complete dust cover kit, including the polymer cover along with the hinge rod and spring needed for installation. If you’re working on a fresh upper receiver or replacing an existing door, everything required is included.
A Small Part That Keeps The Action Protected
Dust covers are easy to overlook, but they play an important role in keeping debris out of the chamber and bolt carrier area. The CMMG Polymer AR-15 Dust Cover Kit keeps that protection in place while offering a modern, lightweight alternative to traditional metal covers.
For builders looking for a clean replacement or a slightly lighter option for their AR-15 upper, this kit delivers the same function with a modern material upgrade.
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