Variant
Standard

Single Iron Generation

Used Callaway Big Bertha B21 Single Irons

2021

The Big Bertha B21 driver was specifically designed to combat the slice, featuring an ultra-low, forward, and heel-biased CG. This promotes a powerful draw, high launch, and extreme forgiveness, perfect for golfers who struggle with a right-to-left ball flight and seek consistent accuracy.
£20 - £60
price range
73
Good value
best deal
1
variant
6 listings

1 model

View 6 listings

Callaway

Big Bertha B21 Single Iron

6 for sale

LH RH
Excellent –
V. Good –
Good £25
Fair £20
73
Fair condition Good value

From £20

Overview

Find the right Callaway Big Bertha B21 single iron for you.

By variant

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Single Iron

Available

Standard

6

Balanced forgiveness, versatile distance, pure consistency.

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Explore

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Big Bertha B21 in other club types

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Driver Generation

Available

Drivers

3

1 variant

Anti-slice technology, easy distance, ultimate forgiveness.

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Hybrid Generation

Available

Hybrids

3

1 variant

Anti-slice technology, easy distance, ultimate forgiveness.

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Iron Set Generation

Available

Iron Sets

1

1 variant

Anti-slice technology, easy distance, ultimate forgiveness.

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Wedge Generation

Available

Wedges

2

1 variant

Anti-slice technology, easy distance, ultimate forgiveness.

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Release timeline

Oldest → newest

  1. 1991
    Big Bertha Original
  2. 1995
    Big Bertha Warbird
  3. 1996
    Big Bertha 1996
  4. 1997
    Biggest Big Bertha
  5. 2004
    Big Bertha 2004
  6. 2006
    Big Bertha 2006
  7. 2007
    Big Bertha 2007
  8. 2008
    Big Bertha 2008
  9. 2009
    Big Bertha Diablo
  10. 2014
    Big Bertha 2014 Big Bertha Alpha Big Bertha V Series
  11. 2015
    Big Bertha 2015 Big Bertha Alpha 815
  12. 2016
    Big Bertha Fusion Big Bertha Alpha 816 Big Bertha Mini 1.5
  13. 2017
    Big Bertha Fusion 2017 Big Bertha OS 2017
  14. 2019
    Big Bertha 2019
  15. 2021
    Big Bertha B21 Big Bertha Reva 21
  16. 2023
    Big Bertha 2023 Big Bertha Reva 2023