Skip to content
Doubleday Golf Co.
Cart

Proto-Concept C03 TCCurrent

2023–present · Players · 4–PW · 7-iron 32°

Proto-Concept C03 TC irons
Photo: Proto-Concept

Factory specifications

Factory specifications for Proto-Concept C03 TC, club by club
ClubLoftLieLength
422°60.5°38.5"
525°61°38"
628°61.5°37.5"
732°62°37"
836°62.5°36.5"
940°63°36"
PW45°63.5°35.5"
Build
forged tour cavity back (soft-iron forging with CNC-milled undercut on, S20C/S25C soft carbon steel
Source
Maker’s standard RH men’s steel build, via loftchart.com

Loft progression

Proto-Concept C03 TC loft by club: 4 22°, 5 25°, 6 28°, 7 32°, 8 36°, 9 40°, PW 45°0°10°20°30°40°50°22°4+325°5+328°6+432°7+436°8+440°9+545°PW
Loft for each club, 4 to PW. The small numbers are the loft added from one club to the next.

Have this set?

Bring it by and we’ll check it against this sheet on the loft-and-lie machine, or get a trade-in offer on the spot. Numbers here are the maker’s standard right-hand, men’s steel-shaft build.