anti-aircraft gun. The C/30's muzzlevelocity was, on the other hand, about 12-15% higher than the Bofors; this slightly eased the aiming. The SKC/30U gun was modified
220 kg) at different muzzlevelocities, depending on the projectile. When firing armor-piercing projectiles, their muzzlevelocity was 2,500 feet per second