The AK-300 series lowers utilize a titanium-based, low profile lock system that does not protrude from the mount or into the trigger guard area. RS lowers are the strongest, lightest, and thinnest side mounts in the world.
Compatibility:
Russian     Saiga    Saiga-M    Izhmash     SGL     Polish    Bulgarian    SLR   WASR     WASR-10   WASR-10GP    KVAR    Definitive Arms   DAKM AKX-9   DAK-74   AK-100