Variant
DCB MB Pro Standard TCB

Single Iron

Used Callaway Apex 2021 MB Single Iron

2021

The MB (Muscle Back) variant is a pure blade, crafted for elite players who demand ultimate feel and shot-shaping control. Its compact, traditional design provides a penetrating ball flight and unmatched feedback, ideal for tour professionals and scratch golfers.

Available as

1 Iron 2 Iron 3 Iron 4 Iron 5 Iron 6 Iron 7 Iron 8 Iron 9 Iron

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Model info

The Callaway Apex 2021 generation also comes in 4 alternative single iron variants: Standard, Pro, DCB and TCB.

Price guide

Guide prices are based on recent listing prices for this club.

Price estimates appear once there are a few listings to compare by condition.

Specs

Key facts for this model - individual clubs may vary.

Brand Callaway
Series Apex
Generation Apex 2021
Variant MB
Released 2021

Other variants

Compare variants

Single Iron

Available

Standard

2

Balanced performance, forged feel, versatile play.

View Standard →

Single Iron

Available

Pro

0

Tour precision, forged feel, ultimate workability.

View Pro →

Single Iron

Available

DCB

2

Deep cavity back, maximum forgiveness, forged feel.

View DCB →

Single Iron

Available

TCB

0

Tour cavity back, ultimate control, player's feel.

View TCB →

Explore

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Apex 2021 MB in other club types

Browse MB (all club types) →

Iron Set

Available

Iron Set

0

Muscle back, pure feel, ultimate control.

View Iron Set →

Release timeline

Oldest → newest

  1. 2014
    Apex 2014
  2. 2016
    Apex 2016
  3. 2018
    Apex 2018
  4. 2019
    Apex 2019
  5. 2021
    Apex 2021
  6. 2024
    Apex 2024 Apex Ai200 Apex Ai300 Apex Ti Fusion
  7. 2025
    Apex Ai150