Golf club heads and methods to manufacture golf club heads

A golf club head comprising:

• a first body portion being hollow to define an interior cavity, the first body portion comprising a toe portion with a toe portion edge, a heel portion with a heel portion edge and a hosel portion, a front portion include a front ledge portion defining a front opening to the interior cavity, a back portion with a back wall portion, a top portion, a sole portion with a sole portion edge, and a first body portion recess on the back wall portion below a horizontal midplane of the first body portion and extending between the toe portion edge and the heel portion edge;
• a second body portion removably coupled to the first body portion in the first body portion recess, the second body portion defining a portion of the toe portion edge, a portion of the back wall portion, a portion of the sole portion edge, and a portion of the heel portion edge;
• at least one fastener configured to fasten the second body portion to the first body portion;
• and
• a face portion having a front surface with at least one groove, and a back surface opposite the front surface and associated with a total back surface area, the back surface including a first back surface region coupled to the front ledge portion to close the front opening, the first back surface region associated with a first back surface area, the face portion including a second back surface region exposed to the interior cavity and associated with a second back surface area, the total back surface area being equal to a sum of the first back surface area and the second back surface area,
• wherein the first back surface area is less than 30% of the total back surface area.

A golf club head comprising:

• a plurality of mass portions comprising a material having a first density;
• a first body portion being hollow to define an interior cavity, the first body portion comprising a toe portion with a toe portion edge, a heel portion with a heel portion edge and a hosel portion, a front portion including a front ledge portion defining a front opening to the interior cavity, a back portion with a back wall portion, a top portion, a sole portion with a sole portion edge, and a first body portion recess on the back wall portion below a horizontal midplane of the first body portion and extending between the toe portion edge and the heel portion edge;
• a second body portion removably coupled to the first body portion in the first body portion recess, the second body portion defining a portion of the toe portion edge, a portion of the back wall portion, a portion of the sole portion edge, and a portion of the heel portion edge;
• a face portion having a front surface with at least one groove, and a back surface opposite the front surface and associated with a total back surface area, the back surface including a first back surface region coupled to the front ledge portion to close the front opening, the first back surface region associated with a first back surface area, the face portion including a second back surface region exposed to the interior cavity and associated with a second back surface area, the total back surface area being equal to a sum of the first back surface area and the second back surface area;
• and
• a plurality of ports on the second body portion, each port having an opening on the back wall portion and configured to receive a mass portion of the plurality of mass portions,
• wherein the first back surface area is less than 20% of the total back surface area.