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The Skorpion Machine Pistol was invented by Miroslav Rybář as his graduate thesis for the Czech Military Training Institute, and it has changed very little from its original design. The gun was adopted by Czech security forces in 1961 and saw service until 1979. Also known as the Vz 61, it is chambered in .32 ACP and feeds from detachable box magazines, is equipped with a folding buttstock and could be fired semi-automatic or fully-automatic. The Vz 61 Skorpion is not legal in the United States due to the National Firearms Act and import bans, however, they are gaining popularity in the U.S. with a version on the market that is a fully-legal semi-automatic-only pistol. For more on the Czech Skorpion Pistol, watch this "I Have This Old Gun" segment from a recent episode of American Rifleman TV.
Manufacturers have achieved excellent results with small-caliber bottleneck designs, as evidenced by cartridges such as the .357 SIG and 5.7x28 mm. The .30-caliber 7.5 FK continues this legacy and is now chambered in the FK Brno PSD-C.
For the entirety of 2026, we're celebrating America's 250th anniversary, and the firearm industry continues to roll out commemorative products to mark the occasion.
The "Bulletproof Bubble" is one of the most frustrating things a shooter can experience, because it doesn't make any sense. Every round seems to land all around the exact center of your point of aim instead of in it.