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GECO GECO

French Law B
MSRP : 36.00 € incl. tax
FMJ 158 gr / 10.2 g
SKU : MR830
In Stock!
SKU Designation French Law Caliber Bullet type Energy (J) Speed (m/s) Pack. Grains Grams MSRP
SKU MR830 Designation FMJ 158 gr / 10.2 g French Law B Caliber .357 Mag Bullet type FMJ (Full Metal Jacket) Energy (J) 796 Speed (m/s) 395 Pack. 50 Grains 158 Grams 10.2 MSRP
36.00 € incl. tax

GECO FMJ Flat Nose ammunition is designed to deliver consistent reliability, excellent target visibility, and enhanced ballistic stability. Ideal for dynamic shooting or precision cardboard shooting disciplines.

FMJ Flat Nose bullet for accuracy and readability on target.

The GECO .357 Magnum FMJ Flat Nose is a cartridge designed for sport shooting with revolvers. Thanks to its 158-grain flat-nose bullet, it promotes a consistent trajectory, a clean impact on target, and excellent ballistic stability. Ideal for intensive training and dynamic disciplines such as IPSC.

  • Caliber: .357 Magnum
  • Bullet: FMJ Flat Nose
  • Weight: 158 gr / 10.2 g
  • Ballistic coefficient: 0.179
  • Initial velocity: 395 m/s
  • Energy at the mouth: 796 J
  • Packaging: box of 50 cartridges

Stand ammunition for .357 Magnum revolver

The GECO .357 Magnum FMJ FN is a cartridge dedicated to shooters seeking consistency, precision and a clean impact. Its flat-nose projectile improves stability and promotes a clean cut on paper targets, ideal for demanding training or competitive sessions.

Ballistic reliability and consistency

Designed with selected components (brass case, jacketed bullet, reliable primer), this ammunition delivers more than 790 joules of energy to the muzzle. It maintains excellent power up to 50 meters, while offering a smooth and controlled shot.

  • At 0 m (mouth): 395 m/s – 796 J
  • At 10 m: 386 m/s – 761 J
  • At 25 m: 374 m/s – 713 J
  • At 50 m: 354 m/s – 638 J

A benchmark for demanding shooters

The FMJ FN GECO .357 Magnum is acclaimed for its consistent performance, trajectory stability and excellent target behavior. A technical choice for precision revolver shooting.

Context : GECO, GECO .357 Magnum, FMJ Flat Nose, .357 158 gr cartridges, 10.2 g ammunition, .357 revolver sport shooting, .357 Magnum stand cartridges, FMJ flat nose ammunition, 50 .357 FN box, .357 IPSC ammunition
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