![]() ![]() The boundary between subsonic and supersonic isn't an abrupt transition, as far as what we hear anyway, it's a somewhat gradual range. Don't go by the technical numbers, go by how it sounds. It may not be as loud as a full powered round, but it's a LOT quieter at 1,000 fps, and quieter yet at 900-950. I'm at sea level too, and 1100 fps isn't anything I'd call subsonic for these purposes. What media are you testing in that's showing some expansion? Only time I've seen that is people shooting into sand or some other "test" media that's not actually testing anything like shooting an animal. Ignore the yellow text, that was for a different discussion. But they don't feed in most magazine fed actions.ΔΆ55gr hollow point at various impact velocities. I do have some "Black Bullets" 230gr Sledgehammers, basically a wadcutter. The 38 Special cases can fit much heavier bullets when loaded to the same OAL as a 357 Mag. The 357 Mag case is limited for really heavy bullets by too much internal case taper. There are NO conventional jacketed 35 cal bullets above 180gr that will expand at subsonic speeds don't expect anything but penciling through with the rifle bullets. ![]() Round nose, and even worse the spitzer rifle bullets, are a significant step down in terminal effect. That'll punch clear through a deer or bear easily, and more weight adds nothing to the terminal effect. For solid non-expanding bullets, there's really no point at all in chasing anything heavier than about 180gr with a large flat nose. 362" or even larger ruger is pretty generous in their throat dimensions. Don't worry about bore diameters, make them fit the throat without being jammed too tightly to extract. With lead bullets, the rifle bullets are fair game - you can easily size them down to whatever diameter your rifle's throat is. This is an area where doing it yourself can offer huge advantages over buying something off the shelf nobody makes anything like my 255gr bullet, for example. Imagine something like the old 38 Special 158gr lead hollow points, with more shank behind them. Not the commercial hard cast stuff, but medium-soft bullets with decently sized hollow points. If you want to get the most potential from subsonic loads and heavier bullets, you should be looking into cast bullets. Look for the bullet performance you want/need first, rather than just chasing weight. Lots to choose from, and don't feel like you have to go with the heaviest possible bullet. 35 cal is probably THE most versatile caliber for subsonic loads. I've used them in an 1894 Marlin and currently a Contender, as well as a slew of subsonic 35 cal rifles. I've loaded up to 270gr for 357/38 subsonics, but mostly use a 255gr cast hollow point I designed for hunting. ![]()
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