I haven't used a 185g pill, but use 4.9g of Bullseye behind 230g FMJ, 230g XTP, and 250g LRFP! I tried the same at 4.0g, and my heavy recoil spring in my 1949 1911A1 Gov. wont cycle them, and recoil isn't real bad, less then .357 Mag from a revolver.