Putter-type golf club head with alignment feature

A putter-type golf club head that, when oriented in a reference position, comprises:

• a blade portion comprising a striking face, a top line, and a sole, the striking face including a face center;
• a rear portion in communication with, and rearward of, the blade portion, the rear portion comprising a heel arm rearwardly extending from the blade portion at a heel-ward location and a toe arm rearwardly extending from the blade portion at a toe-ward location, the rear portion including a rear portion top surface;
• a projection extending upwardly from the rear portion top surface, the projection having a projection top surface, a projection heel-ward side surface, a projection toe-ward side surface, and a projection rear surface;
• an alignment element formed in the projection top surface, the alignment element defining a virtual center line segment oriented in a substantially front-to-rear direction at a substantially constant height H1 from a lowermost point of the sole between 16 mm and 26 mm;
• and
• a strut rearwardly spaced from the projection and extending in the heel-to-toe direction between the heel arm and the toe arm.

A putter-type golf club head that, when oriented in a reference position, comprises:

• a blade portion comprising a striking face, a top line, and a sole, the striking face including a face center;
• a rear portion in communication with, and rearward of, the blade portion, the rear portion including a rear portion top surface;
• a projection extending upwardly from the rear portion top surface, the projection having a projection top surface, a projection heel-ward side surface, a projection toe-ward side surface, and a projection rear surface, the projection rear surface being angled relative to a ground plane such that the rear surface extends forward in a downward direction;
• and
• an alignment element formed in the projection top surface, the alignment element defining a virtual center line segment oriented in a substantially front-to-rear direction at a substantially constant height H1 from a lowermost point of the sole between 16 mm and 26 mm.