Shop › BCM GUNFTR MCMR RAIL 556 13" BLK MLK BCM GUNFTR MCMR RAIL 556 13" BLK MLK $224.95 Bravo Company 13" MLOK Compatible Modular Rail (MCMR), For AR Rifles, Black BCM-MCMR-13-556-BLK Quantity: Add To Cart Added! Bravo Company 13" MLOK Compatible Modular Rail (MCMR), For AR Rifles, Black BCM-MCMR-13-556-BLK