11. Lee kept his men focused by directing them to shoot at the enemy's muzzle flashes . 12. Then a single muzzle flash erupts from Gutierrez's gun. 13. It reduces muzzle flash , flareback and blast overpressure. 14. "We'll just add a computer-generated muzzle flash later," 15. Witnesses will say they saw the muzzle flash . 16. Without radar, gunners aboard the German battleship were forced to aim at the enemy's muzzle flashes . 17. At midnight, Japanese soldiers finally caught sight of the tiny muzzle flashes from the Silent Stens. 18. Jorge Zubia and his family were having a relaxing holiday trip until they saw the muzzle flashes . 19. Moreover, they were quieter than a firearm of similar caliber, had no muzzle flash , and were smokeless. 20. The increased length reduced noise and muzzle flash , and allowed fitting of the Colt XM148 grenade launcher.