They do make 1/2x28 to 5/8x24 adapters, several places make them. Silencer Co also makes a 1/2x28 thread mount I could buy for the Omega.
My main concern is the barrel thickness between the bore and the bottom of the threads. Seems pretty thin for .30 cal. I've got a call and an email out to Silencer Co inquiring about a min spec for this.
