Nite Hunter Tactical. These are well-tested, tough as nails, and assembled in the USA (Texas). Three position switch, lights come complete with regular and corded tailcap switches and rail mount. Light pictured is 260 lumens but they now have a 500 lumen also that's not much more. Rechargeable with an 18650 battery. Warranty is lifetime on the light and ten years on the battery. They stock them at MD Quartermaster, Freestate, and Gun Connection too.
http://nitehunterillumination.com/nhtlawenlisy.html
http://nitehunterillumination.com/nhtlawenlisy.html