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Callaway Men's Big Bertha OS Irons

Hand: The price of the product might be updated based on your selection
  • Right
  • Left
Set Composition: The price of the product might be updated based on your selection
  • #4-AW
  • SW
Shaft: The price of the product might be updated based on your selection
  • TT Speed Step 80
    TT Speed Step 80
  • UST Recoil Graphite
    UST Recoil Graphite
Flex: The price of the product might be updated based on your selection
  • Regular
  • Stiff
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Callaway Men's Big Bertha OS Irons

Exo-Cage Golf Irons Unlock More Distance

The new Big Berth OS golf irons bring Callaway's revolutionary club head construction, the Exo-Cage, to irons for more distance in a whole new way. Exo-Cage Technology is a super strong chassis made with incredibly lightweight material, allowing Callaway engineers to place weight in strategic locations for greater forgiveness. This also works in tandem with the next generation of 360 Face Cup technology to function more efficiently for faster ball speed and greater distance. You get faster ball speeds across the entire club face which means more distance with every swing of your irons. Callaway's Standing Wave technology is now loaded with tungsten to lower the CG, while progressive center of gravity in each golf iron gives you optimial launch, distance and control with every club in the iron set.

Callaway Men's Big Bertha OS Irons features:

  • Set Composition: #4-AW
  • New Exo-Cage Technology is lightweight and strong, allowing more weight to be placed in strategic locations to increase forgiveness and club face function
  • Next generation 360 Face Cup technology brings club face COR up to the USGA limite for even faster ball speeds and more distance
  • Tungsten-loaded Standing Wave in the sole lowers the CG for higher launch with longer carry and more speed on shots hit low on the club face
  • Progressive CG moves the center of gravity progressively lower as you move through the set for higher launch and long carry with long irons and greater control with short irons
  • Stock Shafts: True Temper Speed Step 80 Steel • UST Recoil ES 460 Graphite
  • Stock Grip: Callaway Universal

Callaway Big Bertha OS Golf Irons

Go inside the Callaway Big Bertha OS Golf Irons.

Callaway Men's Big Bertha OS Irons
Club Loft Length Lie Angle Offset Swing Weight
#4 20.5° 39.125" 60.5° 0.26 D2
#5 23° 38.5" 61.25° 0.24 D2
#6 26°


62° 0.22 D2
#7 30° 37.25" 62.5° 0.20 D2
#8 34.5° 36.625" 63° 0.175 D2
#9 39° 36" 63.5° 0.15 D2
PW 44° 35.75" 64° 0.125 D2
AW 49° 35.5" 64° 0.10 D2
SW 54° 35.25" 64° 0.10 D2
Callaway Men's Big Bertha OS Irons is rated 4.7 out of 5 by 15.
Rated 5 out of 5 by from OS IRONS ARE AWESOME!!! Bought the 4-PW set of Callaway OS Irons and love them!!! I had gotten away from playing with irons for a while but now that I have these OS Irons, I'll never shy away again!!!
Date published: 2017-10-09
Rated 5 out of 5 by from Best Of The Best Don't know what those who say these aren't as long as others are talking about. I'd say it's their swing not the clubs. Callaway clubs get longer with every new model. I should know since I've had every Callaway club made in the last 20+ years. It should be noted that as tested by Golf Reviewers like Golf Digest etc. that these irons were the only iron ever tested that scored 100% in all tested categories.
Date published: 2017-09-24
Rated 5 out of 5 by from Excellent product. Would recommend to any level of golfer. Excellent product. Would recommend to any level of golfer.
Date published: 2017-08-25
Rated 5 out of 5 by from Changed My Game I always thought I needed to use my woods to get down the fairway consistently. I was wrong. These clubs are the perfect fit for me. I do not hit the ball perfect every time but at least with these clubs whether I do or don't, the ball stays on line and pretty much goes where I was aiming. When I hit it right the distance is nice too but the accuracy is incredible.
Date published: 2017-08-11
Rated 5 out of 5 by from Long, forgiving, and great looking These are the longest irons I have ever played! They are also very forgiving. I have cut 4 strokes off my handicap since I got them!
Date published: 2017-08-10
Rated 5 out of 5 by from I also left a Ping G to try these out, and they are most certainly longer than the G's were. I bought these and they are the finest irons I have ever hit. I hit several shots that raised the goose pimples. The thing that really surprised me is the chipping ability, they are excellent chippers. I hit a lot of shots at the flag. I need more time to really appreciate these. Yes, they are expensive, but no different than TaylorMade/ Pings/Titleist. I got tired of buying clubs that didn't work, and bit the bullet and got these. I have shoulder issues and need some help, these deliver.
Date published: 2017-07-15
Rated 5 out of 5 by from Love these clubs So I have only been on the course with these clubs once and I have been to the range once. What I love is the high ball flight. It is truly amazing as a low ball hitter to look up and see such a nice high arch on your ball. If you struggle to hold greens because of low ball flight these are the clubs for you.
Date published: 2017-06-21
Rated 5 out of 5 by from Great results I hit it farther and with more accuracy,with much better results.
Date published: 2017-06-05
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