Callaway Apex MB (6-9 iron)

“In a post on GolfWRX's Instagram, the main story comes in the form of new irons, where the Major winner has replaced his Avoda models with Callaway Apex MB, a traditional muscle back set that is actually hitting retailers soon.”

“His 5-PW are the Callaway Apex MB irons , a classic muscle-back design for the better player who is confident enough to shape the ball.”

“Instead, Day has picked up a set of Callaway’s new 2026 Apex MB irons and Opus SP wedges.”

“Callaway X Forged UT irons (3-5), Callaway Apex MB irons (6-PW)”

“Callaway X Forged Utility (2 iron), Callaway Epic Forged (4-6 iron), Callaway Apex Pro (7 iron), Callaway Apex MB (8-PW), all with KBS Tour-V 125 shafts”

“Si Woo Kim uses a set of Callaway Apex MB irons (5-9i) and a Callaway X-Forged Star JDM iron (4i) with KBS Tour-V 125g TS Shafts”

“Irons: Callaway X Forged UT (4 and 5 iron; KBS Tour V 125 S+ shafts), Callaway Apex MB irons (6-PW; KBS Tour V 125 S+ shafts)”

“Irons: Callaway X Forged UT (3 and 4 irons) and Callaway Apex MB (6-PW), with KBS Tour V 125S+ shafts”

“Irons: Callaway X Forged Iron (4i, KBS Tour V 125 X), Callaway Apex MB (5i-PW, KBS Tour V 125 X)”

“Irons: Callaway Epic Forged (4-5 iron), Callaway Apex MB (6-PW; KBS Tour V 125 S+ shafts)”

“Sam Burns uses Callaway Apex MB irons (4-PW) with Project X 125g 6.5 shafts”

“IRONS: Callaway Apex MB (4-PW), with Project X 6.5 shafts - SHOP NOW”

“Irons (3-5): Callaway X Forded UT; (6-PW): Callaway Apex MB”

“IRONS: Callaway Apex MB (4-PW), with Project X 6.5 shafts”

“According to a report from NoLayingUp.com , McIlroy is switching to the new Callaway GBB Epic Sub Zero and Apex MB irons as well as an Odyssey putter and Titleist ball ( Pro V1x ) and wedges ( Titleist Vokey ).”