Malkoff MD90 Adapter for Surefire MH90 Body to Scout Head – Malkoff Devices
Super Bright Blue Light Led Replacement Bulb Single Mode P60 LED Drop-in Module Design for Surefire Hugsby C2 G2 Z2 6P 9P G3 S3 D2 Ultrafire 501B 502B and Other Hunting Flashlights -
SureFire C3 with Malkoff M91 LED Bulb upgrade Part 1 - YouTube
Z46 Head Unit LED Upgrade Kit for Surefire M3 M500 M900 M910 M961 M962 | eBay
Mini-Review: Malkoff P60 Type LED Upgrade for Surefire Handlight Lights – ocabj.net