Shop › RADIAN AFTERBURNER RAMJET FOR G19 G4 RADIAN AFTERBURNER RAMJET FOR G19 G4 $389.95 Radian Weapons RAMJET Fluted Barrel with AFTERBURNER Muzzle Brake, 9MM, Black DLC Finish, INTRA-LOK Mounting System, Fits Glock 19 Gen 4 G19G4-IL-RN Quantity: Add To Cart Added! Radian Weapons RAMJET Fluted Barrel with AFTERBURNER Muzzle Brake, 9MM, Black DLC Finish, INTRA-LOK Mounting System, Fits Glock 19 Gen 4 G19G4-IL-RN