Description
The Surefire M640 is a 1500-lumen weapon light with a picatinny/m-lok.
This is a high-output light aimed at outdoor and duty use, where reach matters more than avoiding glare indoors. Lumens describe total output rather than reach; a light with fewer lumens but tighter focus can throw further.
Confirm it fits your rail and that you can reach the switch with your normal firing grip before committing to it – a light you cannot activate under stress is worse than no light. Lights ship directly to you with no FFL transfer.
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