This report is pretty conclusive with regards to M-LOK’s superiority over KeyMod:
• Repeatability
– M-LOKTM achieved a 73% improvement in average POA shift over KeyModTM.
• Endurance
– KeyModTM and M-LOKTM system performance exceeded cyclic load test conditions.
• Rough Handling
– KeyModTM and M-LOKTM system performance exceeded cyclic load test conditions.
• Drop test
– 100% of M-LOKTM accessories remained attached.
• 1/3 M-LOKTM accessories remained in-place.
• 2/3 M-LOKTM accessories slid rearwards but remained secure.
– 33% of KeyModTM accessories remained attached.
• 1/3 KeyModTM accessories remained attached, but severely damaged handguard.
• 2/3 KeyModTM accessories completely detached.
• Failure Load
– Average M-LOKTM test failure load over 3 times greater than average KeyModTM system
failure load.
– All KeyModTM failures occurred at the interface between the handguard and accessory rail.
– All M-LOKTM system tests failed at weapon light mount or mount to accessory rail interface.
https://drive.google.com/file/d/0B3k5QLIgMILLekg2Rll5U1FSdkE/view