The official Varsity "Vee" pin for Operation On-Target can be ordered at the official online BSA store, scoutstuff.org, here:
as item 612316, "Varsity Pin - On Target", for $2.59 and in stock as of 7/3/2015.
Additionally, your local Operation On-Target coordinator may have a stock of these pins, or of regional pins for multiple-time or non-Varsity participants.
The following pins are available at the UNPC store. Contact is the following:
The Varsity pins are $2.50, and are available at the Orem Scout Shop.
Contact: Chris Tomlinson
The following pins are available from