Frank, I hate to bust your bubble but only the M1 Garand is an available, collectable "MILITARY" rifle. M14s, while military, are not available for sale to the public and, if they were, would require a class III license since they are capable of firing fully automatic. The M1A is a civilian clone of the M14 and available from Springfield (other versions are available from several sources). But since it is a CIVILIAN clone, I assume it does not meet your criteria.
However, you are in luck since the M1 is far above the other 2; after all, the M1 shoots a full grown cartridge (the mighty .30-06, what else), not some stunted imitation.
However, you are in luck since the M1 is far above the other 2; after all, the M1 shoots a full grown cartridge (the mighty .30-06, what else), not some stunted imitation.