Strike Industries – PolyFlex Dust Cover for .223/5.56
- The Strike Industries PolyFlex Dust Cover for .223/5.56 offers a simple, quick and tool-less installation with its one-piece construction.
- Install in literally seconds by just pushing it into place.
- With our patent pending “True Seal” design, the internal lip seals the port tighter than traditional dust covers.
- Unlike stamped steel dust covers, this PolyFelx DC is made of durable and lightweight polymer which makes it resistant to rust.
- If the time ever comes, knowing you can remove and quickly reinstall makes this an easy cost-effective choice.
- Consider the Strike Industries PolyFlex Dust Cover for .223/5.56 for a new build or when you are going to untorque the barrel nut as this is the easiest time to remove your old stamped steel dust cover to upgrade.
Features
- Quick and tool-less installation
- One-piece construction
- Patent pending “True Seal” internal lip seals the port tighter than traditional dust cover designs
- Resistant to rust unlike traditional steel covers
- Made of durable and lightweight polymer
Package Contents:
- x1 Polyflex Dust Cover for .223/5.56
Compatibility
- AR-15 Mil-Spec upper receivers
- Most billet AR-15 upper receivers
- Aero Precision M4E1
Not compatibility
- VLTOR MUR: Modular Upper Receiver
- ZRO Delta
- Lantac Enhanced BCG due to carrier and bolt design
- Bootleg Four Position Adjustable Carrier

















