MPN: 4332-4PK


  • Lightweight and low profile
  • Covers four M-LOK slots
  • Made from flexible chemical and heat resistant rubber
  • Enhance gripping
  • Can be cut for customized length


  • Material: Rubber
  • Finish: Black, Flat Dark Earth, OD Green, Coyote Brown, or Grey
  • Length: 6.25"
  • Width: 0.625"


  • All M-LOK Systems


  • 4x ERGO M-LOK Wedgelok Rail Covers (4-Slot)


Improve your handling of your AR15 with these ERGO M-LOK rail covers.

Improved Handling Without Negative Impact

Made from heat and chemical resistant rubber, these M-LOK rail covers offer a rubbery texture that can improve your handling of your AR15. Designed to be low profile and light weight, you will barely notice they are on your AR15; they offer benefits without negatively impacting your shooting experience.

Easy to Install

The ERGO M-LOK rail covers are made from flexible rubber which can be trimmed to obtain an exact fit on your AR15.

Contribute to The Useful Life of Your M-LOK Rails

By installing the ERGO M-LOK rail covers, you have the ability to cover four M-LOK slots, protecting them from damage that can be sustained during normal wear and tear to ensure that they are ready for future use.

The ERGO Difference

ERGO proudly designs and manufactures their products in the United States of America, and offers a lifetime warranty on their products, giving customers confidence that they are purchasing quality firearm parts.

Have a question?

Ask an Expert