Illuminate your tactical operations with the SureFire M640U-TN-PRO Tactical Weaponlight. With a powerful output of 1000 lumens, this weaponlight provides exceptional visibility in low-light environments. Engineered for versatility, the M640U-TN-PRO seamlessly attaches to standard 1913 Picatinny rails and M-LOK compatible systems. Its durable construction ensures reliability in the field. 1000 Lumens for maximum brightness 1913 Picatinny Mount for secure attachment M-LOK Mount for versatile mounting options On/Off Tail cap for quick operation Equip your firearm with the SureFire M640U-TN-PRO for superior performance and reliability.