This is not out till May but I like the idea not sure how practical it will be until I have tried it will let you know.
Silencerco Rail Mounted Rifle Firearm Rangefinder Attaching to A Picatinny Rail Operating with CR123 Batteries
MAKO Meprolight Self-Illuminated Fiber-Tritium Bullseye Circle Dot Rear Handgun Firearm Pistol Sight for Glock @aegisgears
Online Shopping at a cheapest price for Automotive, Phones & Accessories, Computers & Electronics, Fashion, Beauty & Health, Home & Garden, Toys & Sports, Weddings & Events and more; just about anything else
Super Strong Wicked Lasers S3 Arctic Series Professional Laser Mil-Spec Type III hard anodized in black 1000mW, 2000mW, 3500mW