They're here...
Initial Dealer Roster below; street price should be around $20 for a 3-pack.
Battle Arms Development
BlackPoint Tactical
Brownells, Inc.
F3 Tactical, Inc.
Griffon Industries
Gun Gallery Inc.
Harris Tactical
Joe Bob Outfitters.com
King Shooters Supply
Rainier Arms
SKD Tactical
The Armory Inc.
The Gun Vault Utah
Tactical Distributors
VF Gunrunners
Weapon Outfitters