sentences:  Through approximately serial number 7184 in 1905, the even serial numbered 1902 sporting models featured the "high" spur hammer of the 1900 Model.Apparently Colt was using up the remaining Model 1900 hammers in Sporting Models while still utilizing the stub hammers with the odd numbered pistols.After the supply of the high Model 1900 hammers was exhausted in 1904, all the sporting models thereafter used rounded hammers until the end of regular production.