The streamlight HLX is way fatter than I thought it'd be. Looks chonky af on the skinny aero handguard. Might be ugly, but hey at least now I have a light. :
Amazon.com: Streamlight 88090 ProTac Rail Mount HL-X USB 1000-Lumen Rechargeable Multi-Fuel Weapon Light with Integrated Red Laser, USB Battery and Cable, Remote Switch, Tail Switch, and Clips, Box, Black : Sports &
Arisaka Tailcap Adapter - Streamlight Protac Rail Mount HL-X
おしゃれ】 LCS And Streamlight® HLX Kit fawe.org
Streamlight ProTac Rail Mount HL-X Arisaka Inline Offset Scout Mount