IRON
Mizuno JPX923 Hot Metal
2023
A distance-first game-improvement iron that pairs a very thin, strong Nickel Chromoly face with a deep CG to produce high ball speed and mid-to-high launch, with extra spin/steep descent for decent stopping power despite the stronger lofts.
IRON
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GEARCADDIE FIT VERDICT
Who should play this club — and why
BEST FOR
Mid-to-high handicap golfers who want maximum distance and forgiveness from a reasonably clean cavity-back look.
PROBABLY SKIP IT IF
Better ball-strikers wanting more workability (Mizuno steers those golfers to Hot Metal Pro) and slower-swing-speed players needing more launch help (steered to Hot Metal HL).
VERIFIED PRODUCT FACTS
What is specific to this model
The JPX923 Hot Metal is Mizuno's standard distance-oriented game-improvement iron, built around a cast 4335 Nickel Chromoly head with a thin, seamless high-energy cup face and a deep center of gravity (roughly 6mm back from the face on the 7-iron) for high launch and stopping power. Mizuno positions it as the middle option between the more compact Hot Metal Pro (aimed at better ball-strikers) and the higher-launching, weaker-lofted Hot Metal HL (aimed at slower swing speeds).
material
4335 Nickel Chromoly (cast, ~35% stronger than the prior-generation chromoly, enabling an ~8% thinner, seamless cup face)
set makeup
4-iron through LW available (GW, SW, LW)
lofts deg
4: 19 • 5: 22 • 6: 25 • 7: 28.5 • 8: 33 • 9: 37.5 • PW: 42.5 • GW: 48 • SW: 54 • LW: 60
lie angles deg
4: 60 • 5: 60.5 • 6: 61 • 7: 61.5 • 8: 62 • 9: 62.5 • PW: 63 • GW: 63 • SW: 63 • LW: 63
lengths in
4: 38.5 • 5: 38 • 6: 37.5 • 7: 37 • 8: 36.5 • 9: 36 • PW: 35.5 • GW: 35.25 • SW: 35.25 • LW: 35.25
dexterity
RH and LH
GEARCADDIE MODEL ANALYSIS
What this exact club is designed to do
A distance-first game-improvement iron that pairs a very thin, strong Nickel Chromoly face with a deep CG to produce high ball speed and mid-to-high launch, with extra spin/steep descent for decent stopping power despite the stronger lofts.
WHAT YOU SHOULD NOTICE
Testers describe elite ball speed and long carry distances, with a firmer, denser feel and moderate 'clap' sound at impact.
MAIN BENEFIT
High ball speed and distance consistency across the set without an extreme game-improvement look.
WATCH OUT FOR
Stronger lofts than the previous JPX921 generation mean club-to-club gapping and expected carry numbers may not match older Mizuno irons.
Full technology & specs list
material
4335 Nickel Chromoly (cast, ~35% stronger than the prior-generation chromoly, enabling an ~8% thinner, seamless cup face)
set makeup
4-iron through LW available (GW, SW, LW)
lofts deg
4: 19 • 5: 22 • 6: 25 • 7: 28.5 • 8: 33 • 9: 37.5 • PW: 42.5 • GW: 48 • SW: 54 • LW: 60
lie angles deg
4: 60 • 5: 60.5 • 6: 61 • 7: 61.5 • 8: 62 • 9: 62.5 • PW: 63 • GW: 63 • SW: 63 • LW: 63
lengths in
4: 38.5 • 5: 38 • 6: 37.5 • 7: 37 • 8: 36.5 • 9: 36 • PW: 35.5 • GW: 35.25 • SW: 35.25 • LW: 35.25
dexterity
RH and LH
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