The Firearm Blog has news of new weaponlight by Paul Kim. The newly designed Tape Switch has 90 degree bent, making it easier to install. Also, it is going to be compatible with SureFire scoutlights.
http://www.thefirearmblog.com/blog/2018/04/24/pk-design-labs-m52-weaponlight/
Here's the M52 Weaponlight brochure from PK Design Lab's website
http://www.pkdesignlab.com/Spec/M52.pdf
From: The Firearm Blog