From the UK, Shield Sights RMSc and SMSc Ruggedized Miniature Reflex sights for the modern compact CCW pistols like the Springfield Armory Hellcat, Sig P365XL, and others with the SMSc cutout.

Links

Rex Applegate Point Shooting series
https://youtube.com/playlist?list=PLVlCoEE1rzM7EAKRL73l0wmMT2ivTATuc

Extreme Retention Technique
https://youtu.be/kBzVNEbFxAY

Mantis X10 Elite
https://youtube.com/playlist?list=PLVlCoEE1rzM7HAkuUOAd2MSluxJ2CGD77

How to Become an Ambidextral Gunfighter
https://youtube.com/playlist?list=PLVlCoEE1rzM4PGhm-vNuo_ca8rduMjtIK

Shield Sights (use KDSSS10 for 10% discount)
https://www.shieldpsd.com/

Chrome Industries (Broc's T-shirt) for the urban grayman
https://www.chromeindustries.com/

9mm Training Laser
https://amzn.to/3aGblOa



Chapters
0:00 Two Sights
0:18 Unbox
2:34 Compare
5:06 Install
11:58 Zero
22:02 Range