Arisaka Defense 40-Degree M-LOK Adapter Aluminum Black
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Specifications
Description
The Arisaka Defense MMA40 is an M-LOK to M-LOK offset adapter that adds mounting points where a handguard lacks slots at the 1:30 and 10:30 clock positions. It provides three half M-LOK slots set at a 40-degree offset, which can be used to mount accessories such as a Unity Hot Button to one side of the top rail for thumb activation.
The adapter is CNC machined from 6061-T6 aluminum with a black anodized finish. When installed on the 6 o'clock M-LOK slots with a compatible vertical grip, it angles the grip outward to one side, which can provide added clearance around drum magazines or on a light machine gun. Installation requires an IP20/T20 Torx driver, not included, and the manufacturer recommends 30 inch-pounds of torque for M-LOK screws with medium-strength threadlocker.
- Type: Rail adapter
- Platform: M-LOK
- Material: 6061-T6 Aluminum
- Finish: Anodized, black
- Mount Type: M-LOK to M-LOK offset adapter
- Slot Configuration: Three half M-LOK slots at 40 degrees offset
- Recommended Torque: 30 in-lbs
- Tool Required: IP20/T20 Torx driver (not included)







