Shop › BCM GUNFIGHTER KEYMOD ALUM 4" BCM GUNFIGHTER KEYMOD ALUM 4" $24.95 Bravo Company Keymod Rail, Aluminum, Fits AR Rifles, 4" Picatinny Rail, Fits KeyMod, Black BCM-KMR-1913-A4 Quantity: Add To Cart Added! Bravo Company Keymod Rail, Aluminum, Fits AR Rifles, 4" Picatinny Rail, Fits KeyMod, Black BCM-KMR-1913-A4