(Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) certified in 2002, so it is an officially registered and sanctioned member of the Finnish "family" of super magnum rifle cartridges.
It is however still used by a few shooters who produce the cases from .338 Lapua Magnum brass by reshaping the shoulder and neck, and handloading it with .30 calibre bullets.
(Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) rulings the 7.62mm UKM can handle up to 440.00 MPa (63,817 psi) Pmax piezo pressure.
Due to the large case capacity in relation to the 7.62 mm (.308 inch) calibre bore size the round is harsh on barrels like other .300 Magnum cartridges.
In an Austrian based online forum "Leuchtspur.eu" the inventor Michael Uekötter claimed he needed to replace his Krieger custom barrel after more than 4,000 shots with the 7.62 mm UKM.
The American .300 Dakota proprietary cartridge, based on the .404 Jeffery case, is probably the closest (as of 2008) commercially available ballistic twin of the 7.62 mm UKM.