TLDR, The new Streamlight TLR 7 Sub HL X is the best light for Glock 43 in 2025 with 1000 lumens and 20000 candela, working almost like a full size light but in a small package. But there are also other cheaper options available below:
Best Glock 43X MOS Light Options
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Use Recover Tactical GR43 Adapter on a non-railed Glock 43 to accept pic rail lights.
Streamlight TLR 7 SUB HL X - Best Overall
The Streamlight TLR 7 SUB HLX now doubles the lumen and candela output for the Glock 43X. I highly recommend this product for its size, performance and price for low light CQB use.
CQB Illumination - Lights up everything within 200 meters in low light CQB fighting distances with this small light.
Uses Just 1 CR123A - The light runs on just 1 CR123A battery or SLB9 rechargeable battery. It's can power up to 1000 lumens & 10000 candela with hotter center spot to identify targets in the dark.
Strobe Mode Available - Just double tap to activate
Features:
- 1000 Lumens
- 10000 Candela - 120 Meter Throw
- 1 CR123A Battery
- Side Toggle Switches
Pros
- Way brighter like a full size light
- High candela to see further in the dark
- Front loading battery installation without light removal
- Non snag profile for CCW
Cons
- Doesn't include other rail mounts
- Lengthy strobe mode activation in the field