Time for more testing... Check back soon for more updates, photos and video from Aronimink!

Titleist Brand Ambassador Nick Watney takes one of his first swings with the new Prototype AP2 irons on the range Tuesday at Aronimink.

Zooming in on the new Prototype AP2s.

Titleist Brand Ambassador Geoff Ogilvy hits the range for the first time with his new Prototype MB irons.

Geoff put his new prototype irons right in the bag.

Geoff's irons are custom-stamped simply with "G."

Titleist Brand Ambassador Ben Curtis arrives at the Aronimink range with his new Prototype AP1 irons.

Titleist Brand Ambassador Michael Sim checks in with the team at the Titleist Tour Van.

Brand-new, bubble-wrapped Prototype CB irons ready for assembly Inside the Titleist Tour Van.

The Titleist Golf Club R&D team gathers information during new Prototyope AP2 testing with Titleist Brand Ambassador Jason Dufner.