Mag-Pul, a company known for their revolutionary polymer products for weapons systems the world over has released their new M-Lock system. 
The company describes their new M-LOK system as "a modular locking accessory mounting system that is a direct attachment method for hard mounting accessories to a negative space mounting point". Designed by Magpul Industries as an evolution of the MOE slot system used since 2007, the M-LOK system is being released as a free licensed platform to allow greater compatibility of accessories between all manufacturers.
M-LOK stands for Modular Lock system. The M-LOK system retains the recognized Mag-Pul elongated slot appearance, similar to MOE slots but with different dimensions. The newer slot is larger, has squared sides, and the new system adds the following feature sets:
• DIRECT MOUNT CAPABILITY
• CAMMED T-NUT
• OPTIMIZED FOR METAL AND POLYMER MANUFACTURING
• RECOIL/IMPACT MITIGATION LUGS
• INTERMEDIATE SPACING OPTION
• MULTI-DIRECTIONAL MOUNTING
• BACKWARDS MOE COMPATIBILITY
The new system differs slightly from their well known MOE system in that the dimensions of the slots offer more versatile positioning of accessories. This is achieved by a completely redesigned slot shape and patent pending "cammed T-nut" that positions the T-Nut consistently on the mounting surface for installation and removal. 
For more information on their system,
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