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7.5 FK
Czech pistol cartridge / From Wikipedia, the free encyclopedia
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The 7.5 FK (C.I.P.[1]), also known as the 7.5 FK BRNO or the 7.5x27mm, is a bottlenecked rimless centerfire automatic pistol cartridge developed by the Czech firearms and ammunition manufacturer FK Brno Engineering s.r.o.
Quick Facts Type, Place of origin ...
7.5 FK | ||||||||||||
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Type | Pistol | |||||||||||
Place of origin | Czech Republic | |||||||||||
Production history | ||||||||||||
Designer | FK Brno Engineering s.r.o. | |||||||||||
Designed | 2009–2014 | |||||||||||
Produced | 2014–present | |||||||||||
Specifications | ||||||||||||
Case type | Rimless, bottleneck | |||||||||||
Bullet diameter | 7.8 mm (0.307 in) | |||||||||||
Land diameter | 7.51 mm (0.296 in) | |||||||||||
Neck diameter | 8.5 mm (0.335 in) | |||||||||||
Shoulder diameter | 10.8 mm (0.425 in) | |||||||||||
Base diameter | 10.8 mm (0.425 in) | |||||||||||
Rim diameter | 10.80 mm (0.425 in) | |||||||||||
Rim thickness | 1.40 mm (0.055 in) | |||||||||||
Case length | 27 mm (1.063 in) | |||||||||||
Overall length | 35 mm (1.378 in) | |||||||||||
Case capacity | 1.50 cm3 (23.21 gr H2O) | |||||||||||
Rifling twist | 270 mm (1 in 10,63 in) | |||||||||||
Primer type | Small pistol magnum | |||||||||||
Maximum pressure | 350.0 MPa (50,763 psi) | |||||||||||
Ballistic performance | ||||||||||||
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Test barrel length: 152mm (6") |
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