Surefire is Back On Top | M640 Turbo

Published on October 27, 2023
Duration: 9:05

This expert review from Brass Facts assesses the Surefire M640 Turbo, a weapon-mounted light designed to reclaim Surefire's market dominance. The review highlights its impressive 100,000 Candela and 700 lumens output, competitive pricing, and the new Surefire Pro Mount system. It details performance comparisons, battery options, and practical reliability testing over 2,500 rounds, concluding that Surefire is back in the game with this offering.

Quick Summary

The Surefire M640 Turbo weapon-mounted light delivers 100,000 Candela and 700 lumens, outperforming older hyper-throw lights and offering a balance for CQB and longer ranges. It uses dual-fuel batteries (2CR123 or 18650) and features the new low-profile Surefire Pro Mount system.

Chapters

  1. 00:06Surefire's Past Dominance
  2. 00:18Surefire's Recent Product Issues
  3. 00:51Competition from Other Brands
  4. 01:10Introducing the Surefire Turbo M640
  5. 01:23M640 Turbo Performance Metrics
  6. 01:48M640 Turbo Battery Options
  7. 02:13Throw vs. Flood Trade-offs
  8. 02:59Surefire's Comeback Strategy
  9. 03:12Real-World Reliability Testing
  10. 04:16Surefire Pro Mount System Explained
  11. 04:39Pro Mount Pros and Cons
  12. 05:20Aftermarket Body Compatibility Issues
  13. 06:39Is the M640 Turbo For Everyone?
  14. 07:02Size and Weight Comparison
  15. 07:37NV Use and Light Utility
  16. 07:49Overall Recommendation
  17. 07:59Pricing and Value Analysis

Frequently Asked Questions

What are the key performance metrics of the Surefire M640 Turbo?

The Surefire M640 Turbo boasts an impressive 100,000 Candela and 700 lumens. This output allows it to significantly outperform older hyper-throw lights and maintain effectiveness in various tactical scenarios, including those with intermediate barriers.

What battery options are available for the Surefire M640 Turbo?

The M640 Turbo features a dual-fuel system, accepting standard 2CR123 batteries for slightly reduced performance or 18650 batteries for full output. This offers flexibility and compatibility with other systems.

How reliable is the Surefire M640 Turbo under recoil?

The M640 Turbo has demonstrated robust reliability, with testing involving 2,500 rounds of live fire, including 500 rounds on a SCAR Heavy. No battery contact issues were reported, indicating it can withstand significant recoil.

What is the Surefire Pro Mount system?

The Surefire Pro Mount is a new mounting system for Surefire lights, replacing older Scout mounts. It features a swivel system for P.I.C.K. and M-LOK interfaces, offering a low-profile design for tighter fitment with accessories like laser aiming modules.

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