Front sling point plate for Tokyo Marui M870 Tactical/Breacher airsoft shotgun

Important
This is intended for airsoft purpose only. Do not use it on any sort of firearms.
Description:
A sling plate for the TM M870 shotgun. 3ds Max file is included if anyone want to edit the original design.
Extra material required:
paracord (10cm)
Extra modification required:
none/reversable
Step to install:

1. Twist out the end cap of the shell tube.
2. put the sling plate around the shell tube withe the U shape notch under the barrel
3. Screw back in shell tube end cap to hold the sling plate in place.