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The 7.5 FK (C.I.P.), 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.
7.5 FK® calibre ammunition is a proprietary calibre designed and produced by FK Brno. This calibre was designed specifically to bridge the gap between standard handgun and carbine rifle calibres in terms of power, efficency, range, and accuracy.
Check out the ballistics and ammo types on the increasingly popular 5.7x28mm. See what popular firearms like FN and Ruger shoot 5.7.
FN 5.7x28 Ballistic Charts for All Manufacturers. If you’re interested in picking up an FN P90, you’ll want to examine the ballistics of 5.7x28 ammunition. The charts below will show you the ballistic performance of this small caliber.
Typical velocities to expect from the 25.6” barreled K31 without exceeding recommended pressures are 2900fps with 150gr bullets, 2750fps with 165 to 168gr bullets, 2600fps with 178-180gr bullets and 2400fps with 200gr bullets.
19 Ιουλ 2016 · The new FK Brno cartridge is officially called the 7.5 FK. It is a bottleneck design that is not based on any existing cartridge cases, so don’t expect to make your own with existing brass. The 7.5 FK has a 7.8mm diameter bullet (roughly .30 caliber) with an overall cartridge length of 35mm. The case length is 27mm long.
25 Ιαν 2021 · Despite generating north of 800 ft-lb of energy, the PSD is fairly gentle to shoot. Despite its healthy bark, the 7.5 FK PSD doesn’t climb as much as you might anticipate, less than a hot 10mm load while having as much, or more, muzzle energy.
