very interested...
Hi there. Absolutely interested in your results. About 7 years ago i had a .38/ 357 built on a little Martini action to shoot .38 Special ammo suppressed. I tried all sorts to get the factory ammo subsonic and ended up with a large suppressor and ported bl to reduce the velocity. Had a generous supply and didn't want to reduce the load if i could avoid it. It has shot many goats with subsonic 129gn Hydra Shok projectiles with amazing results.
Bl twist i think is 16".
I tried some Nosler Ballistic Tip .358 ("35 Whelen") projectiles but they were not stable subsonic and I abandoned them before i blew up the suppressor.
Awesome looking projectile and went promisingly well in the 357 case supersonic.
Your case sounds like the way to go especially as the trend is to modify an upper. Semi-auto gives a whole new realm for subsonic with rapid follow up shots.
I am still struggling along with bolt or single shots which can be frustraing for hunting unless the range is close.
As an after thought the bigger the projectile (diameter) the louder they tend to be subsonic. Big flat nosed pistol bullets obviously are louder than sleek rifle bullets but kill better; though range is limited.
Look forward to your results...
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