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博福斯公司的MK2型SAK57/7057毫米火炮是在博福斯公司成熟的L70型57毫米炮基础上发展而成的,但进行了许多改进,例如采用了自动装填机构、新炮塔结构、武器用计算机控制和具有较高的射速。该炮使用与L70相同的弹药,包括新研制的大容量远程弹(HCER)。博福斯公司声称,在与水上舰船交战时,发射大容量远程弹的57毫米舰炮比100毫米和7.62毫米舰炮的射程远。该炮由于具有较好的精度加之225发/分的较高的射速和对目标的侵
The Bofors MK2 SAK57 / 7057mm gun was developed on the basis of Bofors’ proven L70 57mm gun but with many improvements, such as the use of an automatic loading mechanism, a new turret structure, a weapon Computer controlled and has a high rate of fire. The gun uses the same ammunition as the L70, including the newly developed High Capacity Long Range Missile (HCER). Bofors claims that the 57-millimeter guns fired at large-scale long-range missiles were far from those of 100-mm and 7.62-mm naval guns at war with ships on the water. Due to the better accuracy of the gun plus 225 rounds / min higher rate of fire and invasion of the target