FAR Site has multiple launchers. These launchers include: Baxter T-Rail, Microcosm T-Rail, Newman Launch-Rack, Newman 20-Foot Button-Rail, Newman 10-Foot Button-Rail, 3/16" Rod, and 1/4"-Rod.
Newman Launch-Rack, Dimensions 48"x 48"x 20', Rocket Diameter: 3" to 12"
Baxter 60-Foot T-Rail, Baxter Launch Lugs
Microcosm 60-Foot T-Rail, Rail Layout, Launch Lugs,
Wire Launchers