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Callaway Big Bertha B21 Iron Set


Big Bertha B21
Player Type
Clubs Type
5-PW, AW Iron Set
Have a Question? Ask a PGA Professional


If you're looking for more distance, the Big Bertha B21 Irons are here to deliver. The new shaping formula is designed to increase distance and forgiveness any way you swing it. A generous offset, wide soles and a thick topline makes these irons easy to hit and inspire confidence in each shot. The A.I. designed Flash Face Cup creates high ball speeds and enhanced spin.


  • Legendary Big Bertha shaping provides amazing forgiveness
  • Higher Launch from Visible Tungsten Energy Core
  • Industry-Leading Flash Face Cup technology produces high ball speeds and spin with sophisticated face architecture
  • Urethane microspheres absorb vibration for exceptional feel


Displaying 2 out of 2 Questions.

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I am 62 years old and returning to golf after 10years i used to play weekly and will start with every other week in Michigan I was a handicapper of about 16 when i Stopped playing would you recommend the B21 irons for e. Also what is the return policy on these irons?
asked by Del G. on 11/27/2021
These would be good for you. In regards to used clubs, we have a 60 day return policy as long as they come back in the same condition they were sold in.
Rudi Fann, PGA Professional
answered on 11/27/2021
Just to make sure, how many clubs and which clubs.
asked by Dario C. on 4/17/2022
I cannot see which set you are referring to but for example, 4-PW,AW would include the 4,5,6,7,8,9,PW, and Aw for a total of 8 irons.
Rudi Fann, PGA Professional
answered on 4/18/2022

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Technology / Specs

B21 Head

Improved Distance No Matter The Swing

Callaway is back with the latest edition of their legendary Big Bertha series, the Big Bertha B21 Iron Set. The B21 was designed with a new formula to improve distance and accuracy, allowing you to hit the ball further and straighter on every shot. The Big Bertha B21 Iron Set is the most forgiving and easiest-to-launch iron set Callaway has ever developed and gives its users a new level of confidence

B21 Face

Big Bertha Series Meets A.I.-Developed Flash Face

Callaway's new Big Bertha B21 Iron set utilizes the A.I. designed Flash Face Cup to maximize ball speed, and with the introduction of the 360 Face Cup, allows for more release and flex of the face at impact.

B21 Shape

Big Bertha Shape Redesigned for Optimal Turf Interaction

The design of the Big Bertha B21 irons added a slightly larger sole than previous models, and coupled with a touch more offset in the head, makes them easier to get in the air, have a straighter flight, and maintain lower spin rates.

B21 Weight

Tungsten Weight for Better Launch and Trajectory Control

Callaway's new Big Bertha B21 Irons were developed with new custom Tungsten weights, making a more optimal and deeper center of gravity for higher launch angles and ball speeds, as well as more stable and precise strikes.

B21 Cover

Urethane Microspheres Provide Enhanced Feel

The urethane microspheres found within the heads of the new Big Bertha B21 Irons from Callaway helps to absord extra vibrations at impact, allowing for better feel, fast ball speeds, and an overall better sound at impact.

Callaway Big Bertha B21 Iron Set Options

Model Loft Dexterity Lie Angle Length Offset Swing Weight
4 iron 19° RH/LH 60.5° 38.75" 3.2mm D0 (Graphite), D1 (Steel)
5 iron 22° RH/LH 61.25° 38.125" 3.05mm D0 (Graphite), D1 (Steel)
6 iron 25° RH/LH 62° 37.5" 2.9mm D0 (Graphite), D1 (Steel)
7 iron 29° RH/LH 62.5° 37" 2.7mm D0 (Graphite), D1 (Steel)
8 iron 33° RH/LH 63° 36.5" 2.4mm D0 (Graphite), D1 (Steel)
9 iron 38° RH/LH 63.5° 36" 2.15mm D0 (Graphite), D1 (Steel)
PW 43° RH/LH 64° 35.75" 1.85mm D0 (Graphite), D1 (Steel)
AW 48° RH/LH 64° 35.5" 1.5mm D0 (Graphite), D1 (Steel)
SW 54° RH/LH 64° 35.25" 1.25mm D0 (Graphite), D1 (Steel)
LW 22° RH 64° 35" 1mm D0 (Graphite), D1 (Steel)

Callaway Big Bertha B21 Iron Set Shaft Options

Shaft Name Flex Weight Torque Kickpoint
Callaway RCH 65i Graphite Light/Senior 65g High Low
Callaway RCH 65i Graphite Regular 65g Mid Low
Callaway RCH 65i Graphite Stiff 65g Mid Low
KBS MAX CT80 Steel Regular 82g Low Low
KBS MAX CT80 Steel Stiff 85g Low Low

Callaway Big Bertha B21 Iron Set Grip Options

Grip Brand and Model Grip Size Grip Color
Golf Pride Tour Velvet 360 Soft Standard Black
adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson adidas Bridgestone Golf Callaway Cleveland Cobra FootJoy Mizuno Nike Ping Puma Srixon TaylorMade Titleist Wilson

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These are your UTry® selections. Only UTry® eligible products appear here. 2 product limit.

Our UTry® program gives you the opportunity to try out brand new products from the game's top brands for 14 days for only $25, or $100 for an iron set. That's right—you get a brand new, still-in-the-plastic club to try for two weeks for just $25.

You get to try it when, where, and how you want for two weeks before deciding if you want to buy it or not.

Want to test out two different brands, or two different configurations? No problem. UTry® lets you try out up to 2 products for $25 per product or 1 iron set for $100.

This isn't 30 minutes on the range with range balls or looking out of the Pro-Shop window. You can try the product on your time, when & where you want.

UTry® gives you the freedom to take Golf Clubs, GPS or Rangefinders to your course and to use at your pace! Use it as much as you like so you can really know what the product will do for your game before you invest in it.

If you don't love it, simply put it back in the box it came in, use the included prepaid return shipping label, and send it back to us. That's it.

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