I've been considering building a .20 cal widcat on the .225 Winchester case ( I aquired 250 at an estate sale, new brass). I would like to use 55g Bergers out to 400 yds (maybe 500 on a good day when my eyes aren't acting up). Rockchucks and ground squirrels mostly. Maybe a coyote or two if the opportunity presents itself. My question is does any one know if this has been done...
Rifle will be a single shot falling block, either a Winchester (new manufacture) or a Ruger #3. Leaning heavily towards the Wincester. I have already re- shaped the shoulder to 30 degrees and kept the neck long (.2160). Used a .219 Wasp forming die and then a series of neck bushings to get down to .20 cal. Second question would be what powders to try after build is done. Case holds 36.2 grains of water to top of neck and is 1.935 in length. I will probably trim .010-015 thou off and turn necks (very thick). Any thoughts?
P.S. Am newly registered to forum today but have been following discussions for awhile. would especially like to hear CatShooters thoughts as he seems to have extensive balistics knowledge and is a fan of falling blocks like myself. Thanks, Kevin
Rifle will be a single shot falling block, either a Winchester (new manufacture) or a Ruger #3. Leaning heavily towards the Wincester. I have already re- shaped the shoulder to 30 degrees and kept the neck long (.2160). Used a .219 Wasp forming die and then a series of neck bushings to get down to .20 cal. Second question would be what powders to try after build is done. Case holds 36.2 grains of water to top of neck and is 1.935 in length. I will probably trim .010-015 thou off and turn necks (very thick). Any thoughts?
P.S. Am newly registered to forum today but have been following discussions for awhile. would especially like to hear CatShooters thoughts as he seems to have extensive balistics knowledge and is a fan of falling blocks like myself. Thanks, Kevin