Shop › BCM GUNFIGHTER KEYMOD NYLON 4" BLK BCM GUNFIGHTER KEYMOD NYLON 4" BLK $11.95 Bravo Company 4" Keymod Rail, Nylon, Fits AR Rifles, Picatinny, Black Color BCM-KMR-1913-N4-BLK Quantity: Add To Cart Added! Bravo Company 4" Keymod Rail, Nylon, Fits AR Rifles, Picatinny, Black Color BCM-KMR-1913-N4-BLK