- No tools necessary for assembly and disassembly
- One-piece construction, no moving parts
- Patent pending "True Seal" internal lip seals the port tighter than traditional dust cover designs
- Resistant to rust unlike traditional steel covers
- Material: Polymer
- Weight: 0.25 oz.
- Length: 3.101"
- Width: 0.192"
- Height: 0.880"
- Mil-Spec AR-15 Upper Receiver
**Not Compatible with Aero Precision M4E1 Upper Receivers