in Golf Buzz Bridgestone J40 Cavity Backs Irons by The Golf Drill Guru July 19, 2011, 11:31 pm 1.6k Views Source: NEW Bridgestone J40 Cavity Backs Spy pics! – GolfWRX.com SirShanksAlot Comments: Our first look at some new, beautiful irons from Bridgestone. These J40 cavity back irons are pretty slick, and are already getting some decent feedback. More pics at the link above. 0 shares Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.