Just wanting to be sure- you do know that if you choose to go down this road, you have to buy an "Apex Ready" barrel as they are different from the rest of Lapco's line.
Here is one place to get them
http://www.hotshotpaintball.com/merc...roduct_Count=2
And another
http://www.lapcopaintball.com/store/index.php?cPath=1_31_50&osCsid=fe513956824ac14cc5b 7cf94d87969d9