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New and Used Cobra RF REV33 Proto Limited Edition Iron Set Golf Clubs


RF REV33 Proto Limited Edition
Player Type
Clubs Type
4-PW Iron Set
Right Hand
Lie Angle
FST KBS Tour C-Taper 120 Steel
Has Headcover
Has Tool
Shaft Material
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This limited edition iron set was co-designed by Rickie Fowler and Cobra Golf in an effort to create the perfect iron. Every RF Proto iron is two-step forged and CNC milled to ensure the most precise iron with no inconsistencies. These irons feature Fowlers own signature shaping, with sharp edges and little to no offset -- a marked difference from any other played on Tour.


  • Built in collaboration with Rickie Fowler, featuring a rich copper finish and over 33 revisions to bring you the perfect iron.
  • 2-Step Forged & CNC Milling - Each iron features two-step milling and is machined for 155 minutes for an iron with no inconsistencies.
  • Signature Shaping - With Rickie Fowler's guiding the design, RF Proto includes unique sharp edges and minimal to no offset.
  • Tungsten Toe Weighting - Tungsten weighting positioned on the toe centers the CG behind the sweet spot for a pure and precise shot.


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Technology / Specs

Cobra RF Proto Iron Set

cobra rf proto irons hero

Co-Designed by One of the World's Best Players

The new RF Proto Irons by Cobra were co-designed by PGA Tour Winner Rickie Fowler and feature TOUR-inspired technologies that produce incredible results.

cobra rf proto irons face

CNC Milled for Guaranteed Consistency

Each of the RF Proto Irons were crafted with a 2-Step Forging process and feature 100% CNC Milling technologies that ensure precision from toe to heel.

cobra rf proto irons address

Confidence-Inspiring Shape

The RF Proto Iron's overall shape was heavily influenced by Rickie himself, and with little to no offset, sharp edges, and a rich-copper finish, these irons are sure to bring you confidence over every swing.

cobra rf proto irons toe

Tungsten Weighting in Toe Aligns CG to 'Sweet Spot'

The toe of the RF Proto Irons feature tungsten weighting that allows for the CG to be shifted more towards the middle of the face, or the 'sweet spot'. This feature also greatly enhances stability and improves sound at impact.

cobra connect

Precise Swing Data from Cobra CONNECT

Each RF Proto Iron is equipped with Cobra's Smart Grip that pairs with the CONNECT technology of the Arccos Golf App. This technology allows you to see your distance averages, get caddie advice (recommended club based on past yardage data), and track Strokes Gained analytics all from the comfort of your device.

Cobra RF Proto Irons Specs

Model Loft Lie Angle Offset Length Length w/ Connect Swing Weight Dexterity
4 24° 61° 2.3mm 38.75" 39" D2 RH
5 27° 61.5° 2.0mm 38.25" 38.5" D2 RH
6 30° 62° 1.8mm 37.75" 38" D2 RH
7 34° 62.5° 1.5mm 37.25" 37.5" D2 RH
8 38° 63° 1.3mm 36.75" 37" D2 RH
9 42° 63.5° 1.3mm 36.25" 36.5" D2 RH
PW 46° 64° 1.3mm 36" 36.25" D3 RH

Cobra RF Proto Irons Shaft Options

Shaft Name Flex Weight Launch Spin
KBS C-Taper 120 Stiff 120g Low Low

Cobra RF Proto Irons Grip Options

Grip Name Size Color
Golf Pride Tour Velvet Align Connect Standard Black/Red
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
+ + Clear All i What is this? About UTry®
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.

If you do love it, that's awesome! You keep the product, we'll subtract the $25 trial fee off the final cost of the product, and we'll charge you the difference.

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