A Buddy sent me link to 10" FT 44 mag. He asked how many were made when it brought $6400. I looked in Ruger SA 53-63 and was suprised that production number was not in there. It said 2-3% of production was 7 1/2" and 10". Does anyone know how many 10" 44 FT's were mfg'd. Thks