I just ordered a throating reamer for my Encore .405 winchester barrel.This throater will produce a .4117 parrell throat out to .5 inches from the end of the case which has a diameter of .436. The throater will have some freebore and then go straight for .400 at .4117, creating a very parrellel throat, which should help accuracy.. I should then be able to seat 400 gr woodleighs out another .250 and gain considerable powder capacity. To date in a 24 inch barrel I have hit 1925 fps with 52 grs of ww 748 and a 400 gr woodleigh. My goal is 2100 fps plus with the same bullet. I am operating at about 53Kpsi and the cases look and extract just fine. This should duplicate the famous 450/400 loads in a take down gun. My plan is to use it in Africa along with a 270 Win barrel for an inconspicuous travel system suitable for Impala to Cape Buff! The allure of a big Bore single shot is definately effecting me. -Rob