This is cheapest place right now to buy the Ventilator choke. You have heard me talk about this choke and how it can shoot. For $19 it can out shoot some chokes that cost $60 to $70 bucks. Hevi-13 #7 loads shoot very well through it. They have $5.99 shipping right now.
http://www.cdnninvestments.com/re8712exratu.html
http://www.cdnninvestments.com/re8712exratu.html