Telescoping Bolt - Comparisons

Comparisons

As the image diagrams demonstrate, the basic concept of a telescoping bolt with the magazine well in the handgrip produces significantly more compact weapons. These diagrams show the 1938 design (1939 service) MP-40 submachinegun, which is 630 mm (25 inch) long, weighed around 4 kilograms (8.8 pounds) and has a 251 mm (10 inch) barrel, and the similar materials and production technology Uzi, a 1948 design (1951 adoption with 1954 service), which is 470 mm (19 inch) long with stock folded and weighed 3.5 kilograms (7.7 pounds) and uses a 251 mm (10 inch) barrel.

Utilizing nothing more than a configuration change, and the same materials and fabrication technologies, the Uzi is 500 grams (1 pound) lighter and 160 mm (6 inches) shorter.

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