Callaway Big Bertha B21 Custom Irons

Regular price $129.00 Save $-129.00

Only -8 items in stock!
Callaway Big Bertha B21 Custom Irons

The First Big Bertha Iron Designed With A.I.

You’re looking for more distance, and the Big Bertha B21 Irons are here to give it to you. They’re engineered for players who want fast ball speed, high launch, straight shots and a new level of confidence.


  • Flash Face Cup architecture for enhanced speed and spin
  • 360 Face Cup that flexes and releases at impact
  • Club profile engineered for increased forgiveness
  • Visible Tungsten Energy Core weighting for higher launch
  • Urethane microspheres absorb vibration for a better feel and faster ball speeds
  • Brand: Callaway

Updated 7/6/2020.


We are a Built-to-Order business. Please read the following below as you will be accepting these terms after final payment is received.

  1. A 3% cancellation fee will be applied to order cancellations within one (1) business day of placing the order. 
  2. A 90% refund (10% restocking fee) will be issued for an order cancelled when pending with the build shop.
  3. There will absolutely be no cancel order requests with orders already in the process of building.
  4. All orders delivered in full are final. Some exceptions apply.
  5. Order modifications must be made within (1) business day of placing order. No exceptions.


Due to the nature of custom work, we do not take any returns for any order. We may open exceptions if the order is deemed different from the original order. This is determined on a case-by-case basis.

You may also like