The design may be very ergonomic and Though the magazine holds 15 - 35 mm long rounds, the smallest hands will be able to fully wrap around the optimally angled grip with the pistol. The frame and slide are quite slender and streamlined for such a sizing cartridge and caliber. https://rafaeldawsm.wizzardsblog.com/39467973/a-simple-key-for-10mm-conversion-option-unveiled