4 Pack XM-L2 LED Bulb 1 Mode 1200 Lumens P60 Led Drop in Design Replacement Bulb for Surefire Hugsby 6P 9P G3 S3 D2 C2 G2 Z2 : Amazon.ca: Tools & Home Improvement
Super Bright Red 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 :
26.5mm XM-L3 15W 6500K 1600 Lumens XML3 LED Module Drop in For SureFire 6P 9P WF-501B WF-502B with SMO OP Aluminum Reflector - AliExpress
3V-8.4V LED Flashlight Bulbs Replacement XPL V6 Smooth Reflector P60 Drop-in Lamp Fit for Surefire 6P C2 D2 G2 Z2 / 501B 502B - AliExpress