Cover your M-LOK rails with this BCM M-LOK MCMR Rail Panel Kit, Pack of 5 to create a “round” handguard feeling with your rifle. Bravo Company MFG constructed these Picatinny Rails from high-strength polymer for optimal durability at a lighter weight. The Bravo Company Mfg M-LOK 5.5-Inch MCMR Ultra-Slim Rail Panel Kit, Pack of 5 is ventilated for cooling and can be installed in either direction. These rail panels provide an aggressive non-slip surface for solid gripping, and you can cut them to any length you desire to fit your needs. Grab a BCM M-LOK MCMR Rail Panel Kit, Five Pack for reliable rail coverage.