There have been a few rifles chambered in the 500 Jeffery including Jeffery, Heym, CZ-USA, and a few single shots including Ruger no1, and the Butch Searcy & Co..
A few manufacturers still make rifles chambered in 577 Nitro Express due to its popularity including Hartmann & Weiss, Heym, Holland and Holland, Butch Searcy & Co., James Purdey and Sons, Westley Richards, and Hambrusch Hunting Weapons.
Major European manufacturers like Zastava Arms, Blaser, Česká Zbrojovka firearms, Heym, Mauser Jagdwaffen GmbH and Steyr Mannlicher produce factory new 7.92×57mm Mauser hunting rifles and European ammunition manufacturers like Blaser, RUAG Ammotec/RWS, Prvi Partizan, Sako and Sellier & Bellot produce factory new ammunition.
In January 1911, Ernst Rowohlt published Heym's first book and the only one to appear in his lifetime: Der ewige Tag (The Eternal Day).