Any semi auto will have trouble with subsonic, for the exact reason you mentioned. Although there are some that will cycle it.
If I was choosing, I would go with the cz rifle, but I would get the varmint for the heavy barrel.
But I am a bolt guy, don’t care for semi auto a lot. But those cz varmint rifles are extremely accurate. Ruger can be modded a lot, but with the cz there is no need to mod it. 🙂
Any semi auto will have trouble with subsonic, for the exact reason you mentioned. Although there are some that will cycle it.
If I was choosing, I would go with the cz rifle, but I would get the varmint for the heavy barrel.
But I am a bolt guy, don’t care for semi auto a lot. But those cz varmint rifles are extremely accurate. Ruger can be modded a lot, but with the cz there is no need to mod it. 🙂