Salvo squeezebore

Salvo Squeezebore was first publicly tested in 1962, when. 50 to. 30 caliber (.50 caliber bullets swaged in firing down to. 30 caliber) and. 50 to. 15 caliber cartridges were successfully fired. Over the next five years a number of other SSB cartridges were developed. In 1967, the US Navy, who were responsible for riverline operations in support of the Army in Vietnam, invested in. 50 to. 30 cal ammo and used SSB... 

Salvo Squeezebore was overshadowed by the SPIW Flechette (qv) program, and was eventually replaced by it... 

An alternative design of squeeze bore was one in which a tapered extension was placed on the muzzle of an otherwise conventional gun [see also Salvo Squeezebore (SSB) in this VoiJ. The projectiles used with these two classes were much the same in design, though experience showed that the taper bore shot had to be somewhat stronger in construction than the squeeze bore models owing to the different times thruout which the shells underwent stress in compression... 

Squeezebore Guns. See under Salvo Squeeze-bore (SSB) in this Vol... 

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