TRG's WAM™ (Weapon Accessory Mount) is inexpensive, light weight and easily mounts almost any flashlight or laser to most Weaver or Picatinny styled rail system.
The WAM™ accepts smaller flashlights such as the Inova X-1, Mini-Mag Lite and Streamlight Luxeon 3AA. It also accepts most of the larger tactical lights such as the Inova X-5, Inova T-1 through T-3, Streamlight Scorpion,or Pelican M-6. The 10th Mountain Division ordered 3000 of these prior to heading to Iraq and Afgahanistan.