At eHobby Asia right now is the Angry Gun CNC Integral Rail Light Mount & Steel Slide Stop for 1911 Custom GBBs. Made of CNC metal construction, this is a 20mm Standard Picatinny under rail mount for flashlight attachment which allows for direct mounting onto the original slide giving an all new look for your pistol.
A good combo product gets announced by Jag Precision for wholesale and dealers only. This combo package is composed of the Magpul Rail Light Mount (LEFT) with Cyclops Flash Light. Having this combo will shave off 10% off the price when buying the products individually.
Noveske Rifleworks just released a light mount for the Surefire Scout Light Series that uses the KeyMod System. With the increasing use of VLTOR's open standard KeyMod, this allows you to have a slimmer and lower profile. This one's designed for the Noveske NSR handguards, with the light when mounted closer to the handguard. For interested users, price is US$49.95.
Elzetta just released a lightweight tactical flashlight mount. Called the Elzetta ZRX, it is made for taclights with 1-inch bodies which covers a good range of taclights in the market. The material used for clamps are Mil-Spec Type III Hard Anodizes Aluminium, the body is glass-reinforced polymer and the hardware is steel. It is light enough that it weighs at 32gs. As for the price, it's going to be US$35.00 with Matte Black and Dark Earth colours to choose from.