FAL METRIC ....NEW magazine axis screw / release lever screw......used mag catch ..... ......new mag catch spring.........................Metric FAL Magazine Catch (Mag Release). Will fit all metric pattern rifles............................................................ FAL, FN-FAL 50.00, Steyr StG-58, G1, LAR, R1, R1A1 (century), Israeli FALO, IMBEL, FMAP, T48 and Heavy Barrel, Metric.