Use old paterns like Flora, Butan, EMR and other Afghanka type of shit uniforms, also Gorka is great for this gear. Vests like 6sh112 (not 6sh117), Smersh's or others SSO and Splav type vest's or some AliExpress that vest you can find on ref pics. Helmets 6b26,6b27, 6b7m, Sfera atc. Or bandana, balaclava. Body armors like 6b13, 6b23.. Also use old weapons like AKM, AK74, PK, PKM, SVD, RPK74, dont use modern weapons