Contact gunpartscorp through their website. They list these at $10.90 plus shipping.
The Foramen Magnum
For humans the forearm magnum is located at the base of the skull, and for apes it is located at the back of the skull.
The Foramen Magnum is the opening at the base of the skull through which the spinal cord descends.
A belted magnum is a large rifle cartridge which incorporates a strong ring of metal around its base for strength.
The large opening at the base of the skull is called the foramen magnum. It allows the spinal cord to pass through and connect to the brain.
The foramen magnum is located at the base of your skull.
Occipital Bone
Roy Hawes played in just one game at first base for the Washington Senators in 1951 and did not start. He made 13 putouts, had no assists, and committed no errors, equivalent to 0 errors per game (estimate based on total games played in). He had no double plays.
The obturator foramen is the largest foramen in the human body.
Mike Marshall
Bill Hawes played in 21 games at first base for the Cincinnati Outlaw Reds in 1884, starting in none of them. He made 200 putouts, had 3 assists, and committed 10 errors, equivalent to .476 errors per game (estimate based on total games played in). He had 4 double plays.
NO, doubt it would even seat completely in. The base of the 7mm magnum (case before neck) is longer then a 30-06.