1:35 Scale unless otherwise stated 35B20T - 8,8cm KwK 43 L/71 barrel for Tiger B (Porsche turm) (Takom) 35B147 - 77mm HV (cal. 76,2mm) barrel for A34 Comet (Bronco) 35B148 - 90mm M3 barrel for M36 Jackson 35B149 - 3,7cm KwK 34 (t) L/40 barrel for Panzer 35(t) 35B150 - 76mm M7 barrel for M10

See the RB Model Website for full details