Rocket assist is most effective with subsonic artillery projectiles. The weapon often looks like a mounted crossbow capable of shooting projectiles. Artillery fuzes are tailored to function in the special circumstances of artillery projectiles. Princess Sailor Moon has a sword that can deflect enemy attacks or unleash devastating projectiles. The armor was also resistant to projectiles and energy weapons. The guns had a muzzle velocity of from their projectiles. Hand cannon projectiles developed in a similar manner. Depleted uranium projectiles after impacting the target ignite, producing particles of uranium oxides. Maximum effective range is generally accepted to be with ammunition incorporating low-drag projectiles. Damage is taken by touching enemies and their projectiles and certain other obstacles. The used the same projectiles as the 17 pounder with a reduced propellant charge. She can open portals that displace projectiles and even enemies that threaten her. The air rifle can be outfitted with a variety of different projectiles, such as firecrackers. The frontal armour offers protection against medium caliber projectiles and shaped charge projectiles. Early versions projected heavy darts called bolts, or spherical stone projectiles of various sizes.