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Used Mizuno JPX 921 Hot Metal irons

Game-improvement irons from 2020, made from the 4-iron to the pitching wedge, with a 29° 7-iron. Factory specs for every club, so you can match a single iron to your set.

Missing a club from this set? Complete my set   Fill the gaps around this set

On Oct 26, 2026, 3 used Mizuno JPX 921 Hot Metal iron sets were listed at 2 stores, from $384.99 delivered; in Very Good condition or better, from $474.99.

Used sets from$384.993 sets from 2 stores
NewNot sold newNo longer made

Previous model: Mizuno JPX 919 Hot Metal, used from $314.99 · compare

Newer model: Mizuno JPX 923 Hot Metal, used from $754.99 · compare

Prices checked Oct 26, 2026. Delivered prices include shipping where the store publishes it; sales tax not included.

Used Mizuno JPX 921 Hot Metal iron sets

Best condition first, then the lowest delivered price within each grade. Grades are each store's own: what they mean. Store links are affiliate links: if you buy, we may earn a commission at no cost to you, and it never affects the order.

3 sets match

Used Mizuno JPX 921 Hot Metal iron sets by condition

The lowest delivered price for each grade on Oct 26, 2026, right-handed, across every listing at the stores we track.

Condition (store's grade)ListingsUsed from
Very Good1$474.99
Value2$384.99
Returns and warranty at Next Round
  • Next Round: Returns for a refund within 30 days of delivery; after that, partial store credit. The return label comes out of the refund unless you bought Free Returns + Package Protection; original shipping isn't refunded. Ships in one business day; free over $300, else $14.99 a club, $19.99 a set. Photos are of the exact club.

From each store's own policy pages, checked Oct 21, 2026; the store's pages are the authority. All store policies.

Each club is one of a kind: check the clubs included, shaft and condition at the store before you buy. Condition is each store's own grade (see how grades compare). Store photos show the model, not the exact club you'll receive: the grade and the store's description tell you its condition.

Single irons from eBay sellers

As an eBay Partner Network Affiliate, we earn from qualifying purchases. Condition as described by the seller; checked Oct 26, 8:12 AM Pacific.

None of our stores has these irons right-handed right now. Each tile opens the cheapest listing of that iron we found on eBay; check the flex, shaft and condition there. We only show golf retailers we picked: established stores with large eBay shops and top feedback, not individual sellers.

More Mizuno: every model and release calendar

Factory specs

Standard men's steel-shaft specs. Lengths are Mizuno's own measure, as on its spec sheets; retailers that use the USGA measure list each club 0.25 in longer. A used club may have been bent, reshafted or cut down since, so compare these with the listing.

ClubLoftLieLength
419°60°38.5 in
522°60.5°38 in
625°61°37.5 in
729°61.5°37 in
834°62°36.5 in
939°62.5°36 in
PW44°63°35.5 in

Source: golfergeeks.com (press). No manufacturer table found yet. Specs checked Sep 29, 2026: factory specs stay the same, so they are checked when a model is added; store prices are checked every day.

Every generation's lofts side by side: Mizuno JPX Hot Metal by generation: loft chart.

These figures come from retailer spec tables rather than a brand spec sheet. If you spot an error, tell us.

Other Mizuno JPX irons from 2020

This set has a 29° 7-iron. Mizuno also made the Mizuno JPX 921 Tour (34° 7-iron). Same family and year, but each has its own head and specs, so check the loft before mixing them.

Generations

It replaced the Mizuno JPX 919 Hot Metal. It was replaced by the Mizuno JPX 923 Hot Metal. Compare it side by side with the Mizuno JPX 923 Hot Metal and the Mizuno JPX 919 Hot Metal.

Quick answers

When did the Mizuno JPX 921 Hot Metal come out?

2020.

Which clubs come in the Mizuno JPX 921 Hot Metal set?

4-iron, 5-iron, 6-iron, 7-iron, 8-iron, 9-iron and PW.

What is the Mizuno JPX 921 Hot Metal 7-iron loft?

29 degrees, with a 61.5-degree lie and a 37-inch length (factory standard).

What is the Mizuno JPX 921 Hot Metal pitching wedge loft?

44 degrees, with a 63-degree lie and a 35.5-inch length (factory standard).

How much did the Mizuno JPX 921 Hot Metal irons cost new?

The launch price isn't recorded yet.

What replaced the Mizuno JPX 921 Hot Metal?

Mizuno JPX 923 Hot Metal.

What did the Mizuno JPX 921 Hot Metal replace?

The Mizuno JPX 919 Hot Metal.

How does the Mizuno JPX 921 Hot Metal compare with the Mizuno JPX 923 Hot Metal?

See them side by side: launch price, lofts and what changed.

How does the Mizuno JPX 921 Hot Metal compare with the Mizuno JPX 919 Hot Metal?

See them side by side: launch price, lofts and what changed.

Before you buy a single iron

See Mizuno JPX Hot Metal by generation for how its generations compare.

Match the shaft and flex to the rest of your set: see how to identify your iron set and shaft flex explained.