7.5 FK BRNO

I was working at the local community college with my associate Robart Schaefer.  We teach a firearms technology course there.  So naturally just about all conversations revolve around guns of one sort or another.  Robart mentioned he had seen a lot of Internet chatter about the 7.5 FK BRNO.  We had a good laugh when you brought up a post from a guy who asked if anyone had heard of the new company B_R_N_O?  He apparently have never heard of the famous city in The Czech Republic that has been producing firearms for at least 100 years.  Thus started a conversation with a lot of laughs that only a gun lover could appreciate.

First off, lets clear up some of the questions that pop to mind immediately.

  1. Is this company related to other well known BRNO companies from the Czech Republic?

Answer: No.  According to John Zent, Editorial Director for American Rifleman, this company has no connection the historical companies of the well known city of Brno in the Czech Republic.

2. What caliber is a 7.5 FK?

75brno

Answer: That would be a 30 caliber for the uninitiated to the Metric world of firearms.

3. What’s it look like?

Answer: A bottle-necked pistol cartridge.

 

Cartridge

Bullet Weight Velocity (fps) Energy (ft. lbs.)
5.7×28 40 gr. 1685 252
221 Fireball 40 gr. 3200 910
9mm Luger* 50 gr. 2000 454
460 S&W 200 gr. 2200 2150
30 Carbine 110 gr. 1990 967
7.62×25 85 gr. 1630 697

7.5 FK

100 gr.

2000

888

*Specialty ammo from Liberty Ammunition

The first article about this cartridge that caught my attention was an American Rifleman story by John Zent titled, “Worlds Fastest Pistol– 7.5 FK Brno”.  This was where Robert and I started kicking cartridges back and forth.  30 Carbine was the first cartridge that really came to mind as the AMT Automag III had long ago had this slot pretty well locked up, if velocity was the only measure.

So is it the Worlds Fastest?  I guess you will have to break it down for yourself.

Most shooters will also look at bullet weight and therefore energy numbers to determine the true value of a cartridge.  Available guns, ammo and their price ranges also enter into the discussion.  Of course the inevitable question of revolver vs. semi-auto comes into play as well.  For me the question of stopping power is a bigger concern if this is going to be a self defense gun.

In the buzz around the 7.5 FK BRNO pistol is a point that will limit the number of buyers for this gun.  Prices in several articles have suggested that the gun will sell for around $5000.  If that is the case the audience for this gun will be small.

It’s highly likely that custom pistol makers will offer guns with custom barrels in the 7.5 FK chambering.  4D Reamer Rentals LTD (our sponsor) has already ordered in the reamers and gauges for this cartridge.

7_5 FK vs 30m1

30 Carbine vs. 7.5 FK

As of this writing the pistols and ammunition are supposed to be available from at least one U.S. retailer: https://luxuryfirearms.com/ They are holding the pricing pretty close to the vest, so most folks would infer that the high prices that have been reported in other articles are probably correct.

Want to build your own?  You can rent the reamer and gauges here.

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Filed under ammo, Firearms, Pistol, Shooting

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