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In Stock 9X21MM AMMO For Sale From Various Retailers

Introduced in 1980, The 9×21mm pistol cartridge also known as the 9×21mm IMI or 9 mm IMI was designed by Israel Military Industries for those markets where military service cartridges, like the 9×19mm Parabellum, are banned by law for civilian use.

9x21mm pistol ammo was designed for a surprisingly specific purpose. 9x21 ammo offers similar performance to the 9x19 Parabellum cartridge and allows for the use of high capacity magazines and relatively slim grips for enhanced ergonomics.

About 9x21mm

  • Type: Pistol
  • Place of origin: Israel
  • Designer: Israel Military Industries


  • Parent case: 9×19mm Parabellum
  • Case type: Rimless, straight
  • Bullet diameter: 9.03 mm (0.356 in)
  • Neck diameter: 9.63 mm (0.379 in)
  • Base diameter: 9.93 mm (0.391 in)
  • Rim diameter: 9.96 mm (0.392 in)
  • Rim thickness: 1.27 mm (0.050 in)
  • Case length: 21.15 mm (0.833 in)
  • Overall length: 29.75 mm (1.171 in)
  • Case capacity: 1.01 cm3 (15.6 gr H2O)
  • Rifling twist: 254 mm (1 in 10 in)
  • Primer type: Small pistol
  • Maximum pressure 235.00 MPa (34,084 psi)

Ballistic performance

Bullet mass/type Velocity Energy
7.45 g (115 gr) FMJ 390 m/s (1,300 ft/s) 570 J (420 ft⋅lbf)
8.00 g (123 gr) FMJ 360 m/s (1,200 ft/s) 518 J (382 ft⋅lbf)

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Latest products for 9x21mm

  • GrabAGun Winchester USA Brass 9x21mm IMI 124-Grain 50-Rounds FMJ - Not 9mm Luger (9x19) for $23.99
  • Ammo To Go 50rds - 9x21mm Winchester 124gr. FMJ Ammo for $25.00







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Updated: 13m ago

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