Overall weight of the finalized design was 3,150 pounds and dimensions included a length of 17.9 feet with a barrel length of 8.2 feet. The barrel was rifled to as to impart a rotation on the exiting projectile and maintain accuracy at range.
Manufacture of the guns was through Uzinele si Domeniile Resita and picked up steam in 1944. By the end of the run, as many as 400 may have been produced from the original 1,100 or so ordered in December of 1943. Production was simplified due to far fewer parts compared to the PaK 40 and performance was generally good with penetration of 100mm from 550 yards away. The Romanian Army's 1st Armored Division received a first-batch of Model 1943 guns in 1944 and put them to use against the Soviets later that year. Losses mounted that ultimately limited the strategic reach of the gun in the grand scope of the war but the type was still on hand in the immediate post-war years.
With the heavy Soviet influence on Romania during the Cold War decades, the guns were relegated to secondary roles like training as more Soviet-oriented equipment took their place. Amazingly, despite their 1940s origins, the 75mm anti-tank guns managed a useful (though increasingly limited) existence until the mid-to-late 1990s for Romania.
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