The 3rd generation of Mizuno irons to utilize the resilience of Chromoly - the JPX921 has the most complex face … The JPX 921 Forged updates the company’s approach to the player’s distance iron category by using the Chromoly steel alloy, which has been notably incorporated in … It features a more compact profile — shorter blade length, bevelled training edge and reduced offset — and gets “sleeker” as you move from the long to short irons. The specific Chromoly Alloy (4120) used in the JPX921 Forged is well suited for … Grain Flow Forged HD in Mizuno’s Hiroshima, Japan facility, the JPX921 Forged takes on the appearance of a traditional forged blade. The feat single-handedly rebooted Mizuno’s JPX iron family and attracted that new, younger golfer. Now for the first time, the Mizuno JPX 921 Forged is a one-piece Grain Flow Forged Chromoly iron. JPX 921 – Forged Chromoly Borrowing from what it learned from two generations of Hot Metal, Mizuno is, for the first time, leveraging Chromoly steel in a forged model. Once Mizuno revealed its replacement, the JPX919 Tour, Koepka put them straight in play and won his fourth major (another PGA) in 2019. Created to be more forgiving than the Tour, the JPX921 Forged delivers a sleek and distinctive look but offers that extra support on off-centre hits, meaning they have that pure style alongside modern demands. The JPX 921 Forged is the first fully forged iron from Mizuno made from Chromoly. This allows engineers to completely re-engineer the geometry of the club to deliver a more compact players look with higher MOI and faster ball speeds thanks to a thinner face construction—oh, and don’t forget, better feel too! Mizuno JPX921 Hot Metal and Hot Metal Pro Irons Review Looks and Feel Both the Hot Metal and Hot Metal Pro irons are made from the same Chromoly material but the Pro has a visibly shorter blade length, smaller sole and thinner top edge. The JPX 921 has the most complex face geometry that mizuno has released to … This review will focus on the JPX921 Forged and Hot Metal models, which are forged in Hiroshima, Japan. The JPX921 Hot Metal irons pair Mizuno's fastest ever ball speeds with a piercingly straight, ball flight and controllable landing angles. 5,097 Reviews Scanned Powered by Trending Searches Swatch Watches Dog Silencers ... Mizuno JPX 921 Forged 4 Iron thru GW 9.9 9.4 10.0 2: Mizuno JPX 921 Hot Metal Irons Set 4 - GW 9.4 8.9 Let’s go into the features of the JPX921 Hot Metal first. Mizuno has a knack for shrouding forgiveness and added distance in what look like traditional iron designs, and the JPX 921 Forged does that perfectly. So Koepka single-handedly has been the making of JPX, and with the family now being two … The Mizuno JPX 921 Forged irons are in a very short list of the absolute best irons for single digit handicappers; check out our full Mizuno JPX 921 forged review below as we discuss the technology and performance that makes these irons stand out. Related: Mizuno JPX921 Forged iron review.