Ak-74 (4,5mm airgun). STSh-81 "sphere" (special titanium helmet-81). Юнкер-3 и "сфера" HD
Yunker-3. Russian airgun uses a 4.5 mm steel balls and spray carbon dioxide. Created on the basis of Saiga MK-02. Outwardly, almost completely copies the AK-74M Special titanium helmet based on a fabric case which are placed the titanium plate. Helmet size is adjustable